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Mechatronics (October 2010)

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Total No. of Questions : 6] P1035 [Total No. of Pages : 2 [3864]-133 B.E. (Mechanical) MECHATRONICS (2003 Course) (402043) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) All questions are compulsory. 2) Options are given within a question. 3) Answers to the two sections should be written on two separate books. 4) Neat diagram must be drawn wherever necessary. 5) Assume suitable data, if necessary. SECTION - I Q1) a) Explain a typical measurement system with the help of suitable example. [6] b) Compare various flow meters used in flow measurement systems. [6] c) Explain the various types of control systems. [6] OR a) Explain the following terms : i) Hysterisis. ii) Response of system. b) Explain with suitable application one type of pressure transducer. c) Explain the working principle of constant current anemometer. [6] [6] [6] Q2) a) Define Gauge factor for a strain gauge. Derive the expression for same.[6] b) List various temperature measuring devices. Explain any one in detail.[6] c) Write various applications of LVDT. [4] OR a) Why temperature compensation is required in strain gauges? Explain any one method of it. [6] b) Explain capacitive type of level transducer. [6] c) Write a short note on load cell. [4] Q3) a) Explain the concept of hydraulic resistance and hydraulic capacitance.[6] b) Write the advantages and limitations of closed loop control system over open loop control system. [6] c) Explain the concept of transfer function. [4] P.T.O. OR a) Compare the translational and rotational mechanical system with the help of impirical formulae. [6] b) Explain basic building blocks of thermal systems. [6] c) Derive for model equation of spring-mass-damper system with usual notations. [4] SECTION - II Q4) a) Explain P + I + D control action. [6] b) Explain transient and steady state response of system. [6] c) Write a short note on stability of system. [6] OR a) Explain the dynamic response of second order system to step input.[6] b) Explain the temperature and flow switches. [6] c) Explain the use of relays in control system. [6] Q5) a) Explain the specifications of operational amplifier. b) Explain master-slave JK flip flop. c) Explain decade counter. OR a) Explain the use of operational amplifier as Integrator. b) Explain any one use of flip-flops. c) Explain sequencial logic in digital signal processing. Q6) a) Explain with block diagram the structure of PLC. b) Explain the use of timers and counters in PLCs. c) Discuss the selection criteria of PLCs. OR a) Develop a ladder diagram for automatic level control application. b) Explain in short PLC programming. c) Write a short note on Micro-Controller. xxxx [3864]-133 2 [6] [6] [4] [6] [6] [4] [6] [6] [4] [6] [6] [4]

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Additional Info : 2003 Course
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