Mechanical Engineering (Semester 7)
Total marks: 75
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
Part A
1.a.
What are the various sources of error in measuring instrument?
(2 marks)
00
1.b.
What is the environmental factors on the design of measuring instruments?
(3 marks)
00
1.c.
give the classification of pressure measuring instruments
(2 marks)
00
1.e.
what is the need for calibration of measuring instrument?
(3 marks)
00
1.e.
List out the application of magnetic level in measurement
(2 marks)
00
1.f.
Explain the limitation of non contact type tachometers
(3 marks)
00
1.g.
What are the limitation of elastic force metres?
(2 marks)
00
1.h
List out various principles used for stress and strain measurement.
(3 marks)
00
1.i.
Give the classification of control systems
(2 marks)
00
1.j.
Explain the application of servomechanism
(3 marks)
00
Part B
2.a.
Explain the basic principles of measurement
(10 marks)
00
Or
3.a.
Considering rotameter as an example give the functional description of various elements
(10 marks)
00
4.a.
Explain the peace electric transducers for displacement measurement
(5 marks)
00
4.b.
Describe various principles of temperature measurement
(5 marks)
00
Or
5.a.
explain the use of thermal conductivity gauges for pressure measurement
(5 marks)
00
5.b.
describe the arrangement of thermocouples for the measurement of average temperature of a room
(5 marks)
00
Or
6.a.
give the constructional details and explain the working of a cryogenic fuel level indicator
(5 marks)
00
6.b
Explain the working principle of electrical tachometer
(5 marks)
00
Or
7.a.
explain the application and limitation of Doppler effect anemometer
(5 marks)
00
7.b.
TYPE_QUESTION_HERE
(5 marks)
00
8.a.
Explain how strain gauges can be used for the measurement of bending stresses?
(5 marks)
00
8.b.
Explain the working of sling psychrometer
(5 marks)
00
Or
9.a.
Discuss in detail the working of various types of dynamometers used for force measurement
(10 marks)
00
10.a.
with the help of suitable example explain the use of block diagrams for analysing the performance of a system
(10 marks)
00
Or
11.a.
Discuss the importance of control systems.
(5 marks)
00
11.b.
Explain the working of temperature control system
(5 marks)
00
and 5 others joined a min ago.
