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

Instrumentation Interview Questions

Questions Answers Views Company eMail

if we mount flow tube in arrow direction then flow comes in negative & if we mount it another direction then flow comes positive,So what will be the problem

2 4875

if tx. dp increase or decrese what happend in the reading

BSP,

1 5119

how can calibrate vacume trasmitter by HART COMMUNICATOR ?

Bajaj, IMECO,

3 7463

What's the difference between cold loop test and hot loop test?

5 43642

Can we calibrate an actuator?

Siemens,

5 12610

What is Cu-100 and Cu-1000 ? and tell me its application ?

2 6833

why we cant transmit the dc current easily

1 5157

What is the Temperature Co-officient of Resistance of PT- 1000 and PT-2000 ?

Adani, Birla, MEIL,

2 9343

Consider a control valve action,the inlet air pressure is only 6 ksc but physically how it can be operate against 100 ksc line fluid pressure?

SCS,

2 7163

ABB DCS (AC 800 M)redundency take howmany milliseconds to switch from master controller to slave?should be less than DCS scanning time?

SCS,

2 6272

A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?

5 8087

how works encoder in plc

2075

Explain the usage of the PLC system?

3 6641

Explain the difference between the types of input variables plc?

1 4822

Is an analogue only transmitter as accurate as a smart transmitter?

SCA,

2 5093

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Un-Answered Questions { Instrumentation }

Difference between ultra sonic flow meter

1993

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

8665

For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

5455

Instrument QA/Qc what is the project quality plan?conduit inspection RFI. which documents attache with package?

10845

Please can anybody help for control valve sizing step by step procedure?

2125

How to Calibrate Ultrasonic Level Transmitter in field

1358

What is mean by analytical instrumentation?

1813

Explain the working of an enraf level gauge.

1101

how to calculate the total flow in square root

2403

Is it ok, to use non-contact type Radar type LT, on a tank that is half circular from the bottom side? If yes the, isn't the waves gonna bent in other directions?

2184

Somebody tell me in what way i need to prepare for csio pgrpe(adv instrum eng)interview?what all the quest can i expect?

2585

What care will you take in the installation of control valves,SCADA,DCS and FOC in Oil and Gas Project?

2124

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

2779

HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

2177

What is standard procedure of manual mapping in Radar type level transmitter?

1946

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