Instrumentation Interview Questions
Questions Answers Views Company eMail

How do you measure g's?

HPCL, Thermax, GNFC, Polmon, Aramco,

5 9743

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

Thermax, Saint Gobain, Reliance,

3 7907

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

APPSC,

3 29050




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

4 4812

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

Reliance,

4 8804

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

GAIL, Olympia,

2196

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

HPCL, Chettinad,

2 6035

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 13178




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

Honeywell,

6 29868

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 3096

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

1333

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 3061

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

850

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 4516

what will the sending unit in the fuel gauge utilizes?

686


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Un-Answered Questions { Instrumentation }

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

850


Difference between guide wave radar & non guide wave radar ?

200


What is the difference between modbus,fieldbus & profibus

1054


Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com

809


Displace type LT to be calibrated in workshop, wt. 40, dia- 60 mm, density- 0.8kg/cm3.

619






can we replace a slot sensor (inductive type) with limit switch (potenial free contact / no-nc type).

805


Can I calibrate the Electromagnetic Flow Meter on line and How.

603


How earthing can be checked????

910


What is the use of temperature compensation?

610


List three types Level Gauges with their working principles

888


what is cems analyzer explain with principle and drawing ?

840


what is the calibration procedure for transweigh make weigh feeder?

1059


what is The specifications for oriface instalation

863


Why boiler chimney area  oxyden sensor fixing? 

1296


find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

654