Instrumentation Interview Questions
Questions Answers Views Company eMail

How do you measure g's?

HPCL, Thermax, GNFC, Polmon, Aramco,

5 11379

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

Thermax, Saint Gobain, Reliance,

3 8832

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

APPSC,

3 31181




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

4 5434

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

Reliance,

4 9831

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

GAIL, Olympia,

2310

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

HPCL, Chettinad,

2 6794

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 14273




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

Honeywell,

6 32069

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 3439

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

1479

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 3465

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

956

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 5044

what will the sending unit in the fuel gauge utilizes?

798


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Un-Answered Questions { Instrumentation }

There are many type of control cable like pair,core,tried, What are defination each one

1097


Give Detail information about plc,dcs,and scada system?

580


why we are using magnet for calibration of gas detector?

1052


What you mean by multi stage control vavles?

675


why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.

855






Hi Friends i need Electronics&Instrumentation Engg question papers for BARC written test by coming 20th May 2008 pls post ur use full info to kkumarei@gmail.com. Or for suggestions pls give one missed call to 9962122264

894


Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?

928


Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

1102


I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.

817


what happen if i increase height of displacer type LT.accuracy or sensitivity are affected.why?

1381


IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?

1183


What is difference between radial vibration and axial vibration explain in detail .

227


In most instances, Inertia processes are quite uncommon. Give an example of a combined Resistance and Capacitance situation.Describe an application, which according to your understanding of the subject matter, comprises of both Resistance and Capacitance effects.

871


how do u calibrate the vacuum transmitter if it shows more reading

924


What is the minimum rating availalbe for weld neck orifice in market?

842