Instrumentation Interview Questions
Questions Answers Views Company eMail

How do you measure g's?

HPCL, Thermax, GNFC, Polmon,

5 8717

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

Thermax, Saint Gobain,

3 7402

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

APPSC,

3 27327




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

4 4471

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

Reliance,

4 8134

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

GAIL, Olympia,

2140

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

HPCL, Chettinad,

2 5633

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 12477




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

Honeywell,

6 28273

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 2876

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

1278

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 2825

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

805

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 4321

what will the sending unit in the fuel gauge utilizes?

631


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Un-Answered Questions { Instrumentation }

what is the importance of CV in the control valves? how it is calculated?

1115


What is the right procedure for adjusting the gap voltage of bently nevada vibration sensor?

9994


Operational amplifiers

562


what is isloted barrier how it works and what are the main purpose.how it make safe area.

697


Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.

626






what are the values of fuel flow rate in various places in boiler.

426


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

549


Draw block digram for well head from well to shipping pump?

948


ORP sensor working principle?

546


I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.

299


what is the reset offset and control system in instrumentation

2278


How to measure the dust in chimney(spm)?

2020


What is standard of DCS panel design?and what is step of DCS panel design?wiring and type of connector(screw or DB connector)

817


Any one can help me to identified, how can we interchange the device in FF

1462


what is maxdna ?. explain about the software details.

2610