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

Instrumentation Interview Questions

Questions Answers Views Company eMail

what is vfd(variable frequency drive)?type of vfd.

2 5804

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

TATA,

2102

What is transducer

IFFCO, Jindal,

4 9638

how the flow rate is measured from a pipe with the help of pressure?

1 4809

If an Instrument has 550 ohm internal resistance and the cable used for that instrument is 0.5 ohm per meter resistance. If the voltage is 12volt.How much length cable can be used?

2 5399

On liquid service if PT Head is 18 meters. How much pressure will be exerted on it. If Transmitter is not in service?

1 4416

There is a problem with our HART475 it is not communicating with smart devices error becomes "NO DEVICE FOUND"we have insert 250ohm resistance as per requirement but invain plz tell me the solution?

1 7077

we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.

1724

can any one explain in which term we are flow flow is it volumetric r is it mass? and y

1944

all questions related to instrument technician in any offshore oil and gas company.

21677

Questions on flow meters,few questions on HART protocol,

Monnet,

1998

few questions on RS 232,1 question on relationship of impedance and turns ratio, many questions on flowmeters

Monnet,

2036

the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

GNFC,

2087

A motor is taking 15 Amps at no load and 60 Amps at full load. and a valve has to open 10% at full load and 80% at no load. How to draw ladder logic.(PLC).

2 6153

what is bevel? why bevel required in orifice plate?

2 32941

Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

how to turbine speed measurement?

1587

How to change dcs card in online. (Dsc is maxdna)

2737

Exothermic reaction./ endothermic reaction

2041

please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...

1982

what is the reset offset and control system in instrumentation

3617

what are the steps I have to deal with?

2248

if in a level tx height is given, how u calculate the ranges of the tx?

7733

how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

1048

What is the use of double seated valve?

1325

What is zone,loop/fire alarm system?

2674

dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

1897

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

2248

What is 3 element control system

1496

can anyone tel the syllabus or previous year question paper for BHAVINI(EIE)2014.

2449

Calibration of controller (pneumatic)

1982

For More Un-Answered { Instrumentation } Questions Click Here