Technical :: Instrumentation Job Interview Questions and Answers

Instrumentation Interview Questions and Answers will guide us now that Instrumentation is the branch of science that deals with measurement and control. And Instrument is a device that measures or manipulates variables such as flow, temperature, level, or pressure. Instruments include many varied contrivances which can be as simple as valves and transmitters, and as complex as analyzers. Learn more about Instrumentation or get preparation of Instrumentation Jobs Interview with this Guide.

1 How to write the program for single push button by using Ladder diagram?
2 What is remote mount with MTA option? (In case of Dual Sensor Vortex Flowmeter, rosemount has written in its Catalog drawings)?
3 Why 4-20 mA signal is preferred over a 0-10V signal?
4 Can we use a control valve without positioner?
5 What is Instrumentation Measurement?
6 What is Instrumentation Control?
7 What is Instrumentation Instrumentation engineering?
8 What is Instrumentation technologists and mechanics?
9 Difference between DCS and PLC including date processing and architecture.
10 Do you know How D.P. transmitter can be applied to close tank?
11 Explain How D.P. transmitter can be applied to open tank?
12 Do you know the working of an electronic level troll?
13 Tell me the working of an enraf level gauge?
14 What is constant voltage unit?
15 Can you explain the burnout feature?
16 Why thermo wells are used? What materials are used in thermo wells?
17 List of Instrumentation Engineering Job Interview Questions!
18 Explain What are different types of orifice plates? State their uses?
19 Do you know How do you identify an orifice in the pipeline?
20 Explain Why is the orifice tab provided?
21 What is Bernoulli’s theorem. State its application?
22 Explain How can a D.P. transmitter be calibrated?
23 Tell me How is flow measured in square root?
24 Name different parts of a pressure gauge? Explain the use of hair spring in the pressure gauge?
25 What is the use of single seated valve?
26 What is the use of double seated valve?
27 What is the use of valve positioner?
28 What are primary elements of measuring pressure? Which type of pressure can be measured by these elements?
29 Name different types of bourdon tubes?
30 What are different types of control valves?
31 What is furnace draft control?
32 What is intrinsically safe system?
33 What is zener diode? What is voltage regulator?
34 What is force balance principle? State some of its’ advantages?
35 What is motion balance principle?
36 How to test a transistor with a multimeter?
37 What is ratio control system?
38 What is solenoid valve? Where it is used?
39 Do you know How is automatic reference junction compensation carried out in temperature recorders?
40 Explain What are de-saturators?
41 What is the working of Rota meter?
42 How to choose differential range?
43 Tell me the mechanism behind the turbine meter?
44 Explain What is the working principle of the magnetic meter?
45 What do you mean by pt 100?
46 How to use -24vdc in turbine vibration measurement?
47 Why use -24vl in vibration?
48 How to calibrate rpm sensor?
49 What different between rtf and thermocouples? and how to identify in rtd and thermocouple? please tell me answer and send images?
50 What is the slandered of tray installation for oil and gas?
51 What is the function of vortex flow  meter and working principle?
52 What is the modbus?
53 Why are we using airlock relay?
54 What is a instrumentation?
55 What is principal of mass flow meter..?
56 Speed sensor input output?
57 What is the basic role of instrument technician in maintenance turbine system?

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