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NSW HSC 2006 : INDUSTRIAL TECHNOLOGY – Electronics Industries

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Centre Number Student Number 2006 H I G H E R S C H O O L C E R T I F I C AT E E X A M I N AT I O N Industrial Technology Electronics Industries General Instructions Reading time 5 minutes 1 Working time 1 hours 2 Write using black or blue pen Draw diagrams using pencil Board-approved calculators may be used Write your Centre Number and Student Number at the top of this page and pages 5, 9, 13 and 17 191 Total marks 100 S ection I Pages 2 12 60 marks Attempt Questions 1 3 Allow about 55 minutes for this section S ection II Pages 13 20 40 marks Attempt Questions 4 5 Allow about 35 minutes for this section Section I 60 marks Attempt Questions 1 3 Allow about 55 minutes for this section Answer the questions in the spaces provided. Marks Use the following information to answer Questions 1 and 2. IND -TECH is a company in the electronics industry. Competition from cheap imports has led the company to investigate organisational changes to prevent closure. The present workforce is to be retained. Question 1 (20 marks) (a) Identify organisational changes that IND -TECH could make to become more competitive. 2 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (b) Outline reasons why IND -TECH would want to keep their present workforce. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 1 continues on page 3 2 3 Marks Question 1 (continued) (c) Discuss how retraining some of the workforce could help IND-TECH remain competitive. 4 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (d) Outline possible roles for unions during the organisational change. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 1 continues on page 4 3 4 Marks Question 1 (continued) (e) Discuss equity issues that would need to be considered when changing IND -TECH s organisation. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of Question 1 4 Board of Studies NSW 2006 7 2 006 HIGHER SCHOOL CER TIFIC A TE EXAMINA TION Industrial Technology Electronics Industries Centre Number Section I (continued) Student Number Marks Question 2 (20 marks) (a) Identify ways in which IND -TECH s costs could be reduced through recycling. 2 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (b) Name an emerging technology, and outline how it could improve IND -TECH s production system. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 2 continues on page 6 191a 5 3 Marks Question 2 (continued) (c) What is mass production? How could mass production help IND-TECH compete with cheap imports? 4 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (d) Describe safe material handling practices and how these practices could improve efficiency and reduce costs for IND-TECH. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 2 continues on page 7 6 4 Marks Question 2 (continued) (e) Discuss how the Environmental Protection Authority (EPA) and the Occupational Health and Safety (OHS) Act may impact on IND-TECH s planning for change. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of Question 2 7 7 BLANK PAGE 8 Board of Studies NSW 2006 2 006 HIGHER SCHOOL CER TIFIC A TE EXAMINA TION Industrial Technology Electronics Industries Centre Number Section I (continued) Student Number Marks Question 3 (20 marks) (a) List TWO characteristics of Occupational Health and Safety (OHS) signage that would help employees to understand safe working procedures. 2 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (b) Outline the advantages of using computer software graphics to create company documentation. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 3 continues on page 10 191b 9 3 Marks Question 3 (continued) (c) An extract from a catalogue is shown. Awaiting Copyright Clearance Discuss the advantages of displaying graphics AND text in this catalogue extract. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 3 continues on page 11 10 4 Marks Question 3 (continued) (d) An extract from a Material Safety Data Sheet (MSDS) for toner is shown. Section VI Health Hazard Data Health Hazards (Acute and Chronic): This material when used as intended, does not represent a health or safety hazard. Signs and Symptoms of Exposure: Nil Medical Conditions: None when used as described by product literature. Section VII Precautions for Safe Handling and Use Steps to be Taken in Case Material is Released or Spilled: Loose toner can be removed using a vacuum cleaner. Residue can be removed with soap and cold water. After removal of loose toner, garments may be washed or dry-cleaned. Waste Disposal Method: Do not incinerate. No special techniques beyond normal practice. Ensure conformity with federal, state or local regulations. Precautions to be taken in Handling and Storing: Avoid inhalation of excessive dust. Store below 30 C. Outline reasons why these sheets are produced, and their relevance for IND -TECH. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 3 continues on page 12 11 4 Marks Question 3 (continued) (e) Justify why consistent terminology and standards are essential when calculating and ordering materials, and writing reports. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of Question 3 12 Board of Studies NSW 2006 7 2 006 HIGHER SCHOOL CER TIFIC A TE EXAMINA TION Industrial Technology Electronics Industries Centre Number Section II Student Number 40 marks Attempt Questions 4 5 Allow about 35 minutes for this section Answer the questions in the spaces provided. Marks Question 4 (20 marks) (a) A block diagram of a simple logic circuit is shown. If the input at A = logic 1, and the input at B = logic 1, identify the logic values at C and D. A 2 NOR D B NOT C C = Logic ........................................... D = Logic ........................................... (b) Explain how Light Dependent Resistors (LDRs) operate. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 4 continues on page 14 192 13 3 Marks Question 4 (continued) (c) Identify the properties of semiconductor materials that make them conductors or insulators. 4 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (d) Complete the sketch of the circuit below to show a power diode connected in forward bias. Explain what happens to the current flow in the circuit if the diode is reversed. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 4 continues on page 15 14 4 Marks Question 4 (continued) (e) Using the formulae provided, calculate the voltage drop AND power dissipated across R1. Ignore the resistance in the wire. 12 6 Formulae V = IR R2 2 4 R3 R1 R4 RT = R1 + R2 + R3 + 1 1 1 1 = + + + RT R1 R2 R3 P = VI 12 V ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 4 continues on page 16 15 7 Question 4 (continued) ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of Question 4 16 Board of Studies NSW 2006 2 006 HIGHER SCHOOL CER TIFIC A TE EXAMINA TION Industrial Technology Electronics Industries Centre Number Section II (continued) Student Number Marks Question 5 (20 marks) (a) Identify ways of minimising the risk of receiving an electric shock when working with electronic circuits. 2 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (b) What is electrical power ? What does the power rating of electrical equipment indicate? ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 5 continues on page 18 192a 17 3 Marks Question 5 (continued) (c) 4 Outline the advantages of using analogue and digital multimeters. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... 4 The circuit for a two-wheel-drive vehicle is shown below. ON/OFF switch Relay coil 1N4001 LDR 9V 2.2 k 2N3055 5 k Left wheel M drive motor Right M wheel drive motor Outline how this vehicle will behave when the ON/OFF switch is turned on. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 5 continues on page 19 18 James Garrat, Design & Technology, 1991, Cambridge University Press (d) Marks Question 5 (continued) 7 A light-operated alarm circuit is shown below. Circuit: light-operated alarm 220 4.7 k C LDR1 220 1 C B Q3 E BC548 B Q2 E BC548 470 B 390 4.7 k 0.1 Jaycar Electronics (e) C 100 8 speaker 6V battery Q1 E BC548 Propose and explain a fault-finding sequence for testing this circuit if the speaker does not produce an output. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 5 continues on page 20 19 Question 5 (continued) ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of paper 20 Board of Studies NSW 2006

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Additional Info : New South Wales Higher School Certificate Industrial Technology Electronics Technologies 2006
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