Instrumentation Interview Questions
Questions Answers Views Company eMail

How do you measure g's?

HPCL, Thermax, GNFC, Polmon,

5 7558

What is the meaning of the term "g force"?

Thermax,

3 6818

What is the relationship between the universal gravitational constant (G) and the acceleration due to gravity (g)?

APPSC,

3 24088




Identify the electrical variable that is either directly or inferentially used by various instruments to determine the value of a measured variable.

4 4028

Describe how to calibrate various types of instruments and transmitters using ISA industrial consensus standard techniques.

Reliance,

4 7327

Identify and use the ANSI/ISA-S5.1 consensus industrial standard process symbols.

GAIL, Olympia,

2059

Troubleshoot to the device level basic process control systems given the Process and Instrumentation Diagram?

HPCL, Chettinad,

2 5117

Convert a pressure, level, flow, or temperature process variable value into the appropriate pneumatic or electrical value given different types of instruments.

Jindal, MCL, Thermax,

6 11668




Determine the manipulated variable, controlled variable, and the measured variable given a description of various typical industrial processes.

Honeywell,

6 25596

How to set up the various advanced process controllers, input the proper parameters, and tune those controllers given related control system information.

EID Parry,

1 2627

How the warning lamp of a charging-system is activated ?

1191

Technician A says the brake warning light is connected into both the parking and service brake systems. Technician B says the brake warning light will come ON only if the service brake system fails. Who is correct?

2 2594

If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?

751

Technician A says that a fuel tank sending unit will have a high resistance only when the tank is full. Technician B says that its resistance when the tank is full depends on whether the sending unit is designed for use with a bimetallic gauge or with a magnetic gauge. Who is correct?

3 3975

what will the sending unit in the fuel gauge utilizes?

563


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Un-Answered Questions { Instrumentation }

How oil line flow measured?eplain about instruments used and working principle?

616


what is basic difference between motion balance and force balance in pneumatic instrument?

5635


Somebody tell me in what way i need to prepare for csio pgrpe(adv instrum eng)interview?what all the quest can i expect?

1054


I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration  So is there any causes biside this or  any  permissives ?

412


Calibration procedure for water rotameters

865


How we connect a instrument with ground, Give brief explanation with help of diagram?

718


you are on site,the plant trips,you are approached by operations,what do you do?

716


How a conductivity sensor & analyzer work at boiler, whats the principle & science is beyond this,How conductivity sensor sence & convert signal & move toward analyzer & analyzer show reading in percent? also what is temperature compensate option in conductivity analyzer

1389


What is the difference between uv and ir scanners? and what is the workig principle of both

985


what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

374


What is megering????

8047


What is the diffrence between ff tx and non ff tx

1058


Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent

710


how u calibrate sox nox co2 co in cemps?what is opacity n HPm?tell the standard parameters of cems?

2112


what is actual drum level and compensated drum level?

813