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

Instrumentation Interview Questions

Questions Answers Views Company eMail

i have been asked by QAFCO to appear for interview for thy post of Instrument Designer(INTOOLS)..i m engineering graduate with 5 years exp. in design engineering.Will this job profile suit me??i need all ur help n suggestions for thy same?

QAFCO,

2272

What is impulse line size

IFFCO,

3 8378

Absolute pressure is 700psi,what will be the gauge pressure?

IFFCO,

1 6193

IF PLC POWER FAILURE THEN WHAT HAPPEN?

IFFCO,

2 7592

If the on Of the DO module is off in the System cabinet, then what is the Procedure to check weather the Module is working or not.

Honeywell,

2 6537

why use on -off control valve in glove valve

1 4946

Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent

Kentz,

2175

What is Loop Test & What is Loop Checking? Please i need answer for these questions.

2 6665

please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

HP, Siemens,

2324

what is the working principle of hydra step(electronic level indicator)?

Bengal Energy, Lanco,

2 29629

What is PLC(programmable logic control)?

1 5789

what is purpose of three way manifold valve using for dp transmitter

1 8970

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

MSL, SRAAC,

2009

tell about various protocols used in different plcs

Emerson, Samtel,

3 9437

i am confusing about differential pressure transmitter as i seen so many DPTs in different ranges how can we calculate level and flow with mmh20 plz tel me

1 3775

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Un-Answered Questions { Instrumentation }

what effects a surging can produce in the compressor

1977

䑰ҕ䔈ҕ䖠ҕ䘰ҕ䛀ҕ䝐ҕ䟐ҕ䢐ҕ䥐ҕŹ

2017

Explain the working of rota meter.

1272

Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?

1829

hi! i want to know about mpse exam.

2360

what would be the minimum flow rate that we can measure on rotameter..?

2148

How to control flow variations in magnetic flow maters..... When i will provide proper earthing?

2373

How to calculate P,I&D value in PID controller ?

2208

basic connection and principle of axial shift sensor n differential sensors in tubine describes n draw......

2421

how to turbine speed measurement?

1632

i want formula for flow control.am doing project in flow control using orifice . i know value of the flow level(Q) . upstream(p1) pressure, orifice diameter(Do) , pipe diameter(Di) and oil viscosity(Vi) how can i calculate downstream pressure

1966

key phaser where is use and work

2026

what is the difference between scaler and vector drive

2234

Definition of reverse and acting controllers:

2378

What is the use of single seated valve?

1129

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