Instrumentation Engineering Interview Questions

 
1.
Square root calculation for dp flow transmitter?
2.
What is the meaning of wet leg & where is it used?
3.
What are the key components of control loop?
4.
Explain working principle of lvdt?
5.
what is difference between differial pressure & delta pressure?
6.
How to trim the pressure transmitter?
7.
Explain types of valves?
8.
why use MMWC unit?
9.
What is Difference between PLC and CNC?
10.
if we have 450 mm heigth boiler drum level ,so what is span & zero value for a dpt tranmitter?
11.
How to use level tranasmitter in closed tank application?
12.
What is coriolis principle for mass flowmeter?
13.
What are the automatic controller MODES?
14.
What is Cryogenic?
15.
What happen if i install my pressure transmitter below the elevation of pipe in natural gas service?