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Instrumentation Interview Questions
Questions Answers Views Company eMail

Explain " FAIL SAFE " feature in temp. measurement.

Bapco Bahrain Petroleum Company,

1 5317

What is meant by cold float of compressor shaft.

Sabic,

1 5154

What is offset in a control system.

Sabic,

2 9021

What is the relationship between GAIN and PROPORTIONAL BAND.

Kharafi National, Sabic,

1 8097

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

SRACO,

2 7515

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

ADMA OPCO,

1 5342

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

ADMA OPCO,

3 31089

What is surge and how is it prevented.

ADMA OPCO,

1 3439

What is the purpose of bypass valve across AS valve.

ADMA OPCO,

2110

State four different types of flow measurement.

ADMA OPCO,

4 9069

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

ADMA OPCO,

1 2986

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

ADMA OPCO,

3 10568

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

ADMA OPCO, Al-Barrak,

5 8974

can any send me a forbes marshall dtron 316 manual

1957

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.

2219


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

Define cryogenic?

1174


which type of signal used in instrument?

9861


Can any one send me IOCL instrumentation question papers.. i dont know the pattern of the questions and what to prepare can any one help me on this .. my email id is anwarnishil@gmail.com

2262


why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V

2448


How to interfacing microcontroller with a DC motor

2064


plz tell me clearly about PID.."when v have to change I value,D value,GAIN??

2181


How to find out the current of two motors having same power consumption but different RPM?

2019


In turbine, what does term CDP, NI, NH, HSSOC, means

2777


Explain signal isolator

1169


I need to know steps to Calibration Valve Guard......

1493


A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?

1407


Hi, I am Newely Joined in Construction company instrument engineer? Any one can Plz tell me How can I advanced preparation for Releated Engineering and construction Documents?

2564


What is the Working principle of Dozing valve?

2217


PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear

1962


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

1969