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

Instrumentation Interview Questions

Questions Answers Views Company eMail

what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

2094

we callculat main steam flow by D.P. but where is H.P. & L.P. IN Orfics?

3 7588

what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

2181

Advantages of servers over normal desktop in PLC SCADA system

InfoMedia,

1 3091

difference between plc and dcs?

Honeywell,

3 8531

How many input(Analog and digital) and outputs(Analog and digital) are there in DELTA v DCS Version 7.0?

2 5597

what is hall effect?where it is use in power plant?

2 6268

what is the procedure to isolate flow a transmitter and flushing it?

Petrofac,

8 42218

kindly tell where orifice,nozzle,air foil,ventury used in flow measurement?

1 5253

tell how to calibrate a magnetic flow tx, vortex flow tx,dp flow tx,nozzle flow tx and venturi flow tx?

TATA,

2 7794

In Boiler Drum Level- Level control valve how can it tuning (PID)?

2 7938

I need circuit for RTD senser?

2147

what is difference between RTD and Thermocouple?

2 9218

hii my name is sujith...i am preparing for HPVL GET 2010... so ,,,pls help me by send any previous questions or material to my site.....(Msujith_12@in.com) thank q

1873

why metallic housing is provided of solenoid valve.

HPCL,

1 5736

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Un-Answered Questions { Instrumentation }

how to work MIL contol valve posistioner ?

2140

what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

1752

why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.

1951

Explain why use mmwc unit?

1043

How can you add value to this Industry if offered the job?

1588

Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?

1887

2. What is ultrasonic flowmeter?

5091

Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com

2286

Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

1519

In apron feeder how TPH is calculated?

1726

In power plant to measure vibration of a turbine we install sensors. Before install this sensor we have to set gap voltage. What is meant by gap voltage and its use?

2069

If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?

2381

what happen if i increase height of displacer type LT.accuracy or sensitivity are affected.why?

2481

why we are using drum level control valve air to close?

2092

why is not useing in boiler skin thermocople

5278

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