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Instrumentation Interview Questions
Questions Answers Views Company eMail

Explain " FAIL SAFE " feature in temp. measurement.

Bapco Bahrain Petroleum Company,

1 5306

What is meant by cold float of compressor shaft.

Sabic,

1 5134

What is offset in a control system.

Sabic,

2 9005

What is the relationship between GAIN and PROPORTIONAL BAND.

Kharafi National, Sabic,

1 8088

What is the purpose of valve positioner. Explain 4 uses.

SRACO,

2 7507

What is cavitation. what is the effect of it on control valve and how is it prevented.

ADMA OPCO,

1 5314

What is meant by GAP VOLTAGE, in vibration measurement. Normally how much GAP VOLTAGE is set and state the reason.

ADMA OPCO,

3 31063

What is surge and how is it prevented.

ADMA OPCO,

1 3412

What is the purpose of bypass valve across AS valve.

ADMA OPCO,

2101

State four different types of flow measurement.

ADMA OPCO,

4 9052

Give 2 application of quartz crystal used for process parameter measurement.

ADMA OPCO,

1 2981

What will the new flow factor if D/P Transmitter is RE-RANGED from 25" WC to 50" WC

ADMA OPCO,

3 10559

What is the out put of pressure switch & electronic pressure transmitter.

ADMA OPCO, Al-Barrak,

5 8938

can any send me a forbes marshall dtron 316 manual

1955

Dear Friends, we are planning to design Power distribution and Fiber optic in the same cabinet.Like Front side Fiber optic and Rear side Power distribution.Is it any possibility of problem occurs like interference etc? Your answer is highly appreciate.

2215


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

hi my name is rakesh patel i just complited my be in instrumentation & control now i am going to working as a validation engineer in a poject department so what is a scope in a future as a validation engginer ? what line is good for me can any bady give me complete solution please? your regard rakesh patel

1966


what is the electrical operation procedure for switching on 27.6MVA electric furnace.

2030


why we are using digital signals for I/O & how to measure this signals is getting or not ?

1990


how do calibrate the valves.. with clear manual

2085


draw the block diagram of a level transmitter ?

2391


What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

2662


How u measure the massflow in orifice flow measurement techniques

1404


In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?

1857


What is 3 element control system

1487


Speedtronic system .

1964


how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

2112


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

3663


How to convert mmWc(mili meter water colam) to tph(ton per hour)?

981


Draw a complete P&ID of a flow suction tank indicating all control & protection equipment. Indicate all its inlets and outlets. Explain the controls for this system

1530


please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?

8665