Instrumentation Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Instrumentation Interview Questions

Questions Answers Views Company eMail

Explain bernoulli’s theorem. State its application.

1101

How to calculate mmwc values into tonnes?

1196

Explain the working of an enraf level gauge.

1031

Name different parts of a pressure gauge.

1057

What are advantages and disadvantage of the ac supply load cell?

990

Explain ratio control system.

1 1938

Why ac supply load cell is used? Can we use the dc supply load cell?

1026

What happen if we install my pressure transmitter below the elevation of pipe in natural gas service?

993

What is motion balance principle?

1110

What are different types of orifice plates? State their uses.

1090

What is profibus?

1062

Explain the working principle of lvdt?

1134

Why is the orifice tab provided?

1144

Which type of pressure can be measured by these elements?

1088

Explain the burnout feature.

930

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Un-Answered Questions { Instrumentation }

Draw symbols of the following :

1917

what is difference between HOT permit and cold permit

2102

why orfice is not used for main steam flow calculation

2054

Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?

2722

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

2206

why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature

1776

With N nodes and B branches what will have a network ???

1961

What is three element drum level control system why its better than single element?

2511

can we create an interrupt in plc through scada?

2302

how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

2631

Boolean algebra

2115

Positioner usage.

1876

Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.

1846

What are the types of valves?

1057

Why do we have earthing cable in branch cable and shield in the same cable?

2549

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