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2003 Course Building Automation - II

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Total No. of Questions : 12] P1087 [Total No. of Pages :2 [3864]-296 B.E. (Instrumentation and Control) BUILDING AUTOMATION-II (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) Figures to the right indicate full marks. 4) Neat diagrams must be drawn wherever necessary. 5) Assume suitable data, if necessary. 6) Use of logarithmic tables slide rule / Mollier charts, electronic pocket calculator and steam tables is allowed. SECTION - I Q1) a) b) Define ASHRAE. Explain role of ASHRAE in HVAC. [8] Define and explain followings: [8] i) ii) Q2) a) Specific Heat. Latent Heat. OR Define and explain followings: i) b) Q3) a) b) Q4) a) b) Absolute Humidity. ii) [8] Relative Humidity. Describe various air properties in relation to HVAC. [8] Explain difference between boiler and Furnace. [8] Explain steam heating system. OR Describe various steam traps of steam system. [8] [8] Describe Hydronic heating system. [8] P.T.O. Q5) a) b) Explain programming language options of DDC. Describe P, PI and PID control actions with HVAC. [6] [12] OR Q6) a) b) Describe DDC controller software. Explain functions of BMS. [6] [12] SECTION - II Q7) a) b) Discuss BACnet. [8] Explain elements of LON. [8] OR Q8) a) b) Q9) a) b) Differentiate LON and MODBUS. [8] Describe MODBUS. [8] Discuss the efficiency of BAS Discuss advantages of BMS [12] [6] OR Q10)a) b) Q11)a) b) Draw and explain IBMS structure. [12] Discuss IBMS benefits. [6] Explain the verticals of BMS for Healthcare. [8] Discuss Standards for BAS. [8] OR Q12)a) b) Explain the verticals of commercial complex. [8] List standard for DDC communications. [8] rrr [3864]-296 -2-

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