Instrumentation Interview Questions
Questions Answers Views Company eMail

How do you measure g's?

HPCL, Thermax, GNFC, Polmon,

5 8066

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

Thermax,

3 7059

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

APPSC,

3 25405




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

4 4203

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

Reliance,

4 7615

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

GAIL, Olympia,

2092

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

HPCL, Chettinad,

2 5327

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 12008




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

Honeywell,

6 26872

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 2706

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

1229

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 2665

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

773

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 4121

what will the sending unit in the fuel gauge utilizes?

586


Post New Instrumentation Questions






Un-Answered Questions { Instrumentation }

How to calibrate smoke Dectector

230


where proximity sensor installed on tank in loading arm application

572


why direct mounted pressure transmitters is always installed with DBB ( double bleed block) valve in process line or top of the tanks ?

616


what are the diff. in servo and regulatory control?

1225


what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com

1013


in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.

678


What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?

733


Why do we floating DC in DC system.

1443


Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor

728


how u choose thermowell lenght n pnumatic C/v size?

752


where are following valves are applicable to install. can any valve be installed any line. globe valve butterfly valve boll valve gate valve

343


on interface level transmitter model(RTG3302-EMERSON) What is threshold valve how can we select correct threshold value T1,T2,T3,T4 When interface water & hydro carbon

769


how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

613


 why Fahrenheit unit of moistur analyzer transmitter

856


what is the usage of QDV & VOLUME BOOSTER

837