Question Paper: Computer Simulation & Modelling Question Paper - December 2014 - Information Technology (Semester 8) - Mumbai University (MU)
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Computer Simulation & Modelling - December 2014

MU Information Technology (Semester 8)

Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary
1 (a) Explain the working principle of pressure actuated thermometer. List the functional elements. Also draw the block diagram for the same. 7 marks

1 (b) Differentiate following terms:
i. Accuracy and precision
ii. Threshold and resolution
iii. Hysteresis and dead Zone
7 marks

2 (a) State the types of different micrometers and give their application in metrology. 7 marks

Answer any two question from Q2 (b) or Q2 (c)

2 (b) Explain how sine bar is used to measure.
i. Angle of component of small size
ii. Angle of component of large size
7 marks

2 (c) Calculate the angle of taper and minimum diameter of internal taper from following readings: Diameter of bigger ball =10.25 mm
Diameter of smaller ball = 6.07 mm
Height of bigger ball from datum = 30.13 mm
Height of smaller ball from datum = 10.08 mm
7 marks

Answer any two question from Q3 (a), (b) or Q3 (c), (d)

3 (a) Describe with sketch eddy current dynamometer stating speed, power limit, advantages and limitations. 7 marks

3 (b) Describe calibration process of high speed fan using stroboscope. 7 marks

3 (c) Explain the principle, working and method of speed measurement using stroboscope stating an illustration. 7 marks

3 (d) Classify torque and power measurement techniques. Explain torsion bar dynamometer. 7 marks

Answer any two question from Q4 (a), (b) or Q4 (c), (d)

4 (a) Describe with sketch bimetal strip thermometer stating salient features. 7 marks

4 (b) Compare RTD and thermistors as temperature measuring device. 7 marks

4 (c) Discuss the calibration of thermometer of liquid-in-glass type. 7 marks

4 (d) Distinguish between Primary, Secondary, Tertiary and working standards of length. 7 marks

Answer any two question from Q5 (a), (b) or Q5 (c), (d)

5 (a) Explain Tool maker's Microscope with sketch and its applications. 7 marks

5 (b) Give classification of comparators and explain Dial indicator with sketch. 7 marks

5 (c) Explain the following terms used in surface finish with sketch:
i. Roughness
ii.
Waviness
iii. Effective profile
iv. Centerline of profile
7 marks

5 (d) Explain Two wire method for measuring effective diameter of thread. 7 marks

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