Download Model question papers & previous years question papers
|
Posted By: Sra1 Member Level: Gold Posted Date: 02 Jun 2008
|
2008 Jawaharlal Nehru Technological University Mechanical Engineering INSTRUMENTATION AND CONTROL SYSTEMS(II B.Tech II Semester Supplimentary Examinations, Apr/May 2008) Question paper
|
|
|
Set No 3
--------------
II B.Tech II Semester Supplimentary Examinations, Apr/May 2008
INSTRUMENTATION AND CONTROL SYSTEMS
( Common to Mechanical Engineering, Production Engineering and
Automobile Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
* * * * *
1. (a) What do you mean by instrumentation? Write the objectives of instrumentation.
(b) State and explain the desirable static and dynamic characteristics of an instrument. [16]
2. (a) Describe the function of a stroboscope and explain how speed of a rotating shaft can be measured by single pattern and multi pattern disc.
(b) Draw a neat sketch of non-contacting optical tachometer; explain the working principle of tachometer. [16]
3. (a) With necessary diagram explain the various methods employed in cold junction compensation.
(b) What are various materials used for Thermo couples? [8+8]
4. (a) With the aid of neat sketch, explain the working principle of dead - weight type tester.
(b) Discuss various types of elastic pressure sensing elements used in electrical transducers. [16]
5. Explain the principle of operations of
(a) Hot wire anemometer.
(b) Turbine meter for the measurement of Fluid velocity. [16]
6. (a) What are the advantages of piezoelectric type accelerometer?
(b) Name the different vibration sensing systems used in practice. Explain any one such system for the measurement of vibration. [8+8]
7. (a) Write the desirable characteristics of bonding material.
(b) Explain how the strain gauge functions as transducer as deflection and measurement of elastic deformation. [4+12]
8. (a) Distinguish between open and closed loop systems. Explain with suitable examples.
(b) How water level in a boiler is controlled? [12+4]
Return to question paper search
|
|
|
Submit Previous Years University Question Papers and
make money from adsense revenue sharing program
Are you preparing for a university examination? Download model question papers
and practise before you write the exam.