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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What are the key components of control loop?

1 9806

what is the meaning of wet leg & where is it used?

1 11291

What are the reliability data ,like failure rate etc,for bently nevada systems & vibration probes.

1 6101

please anyone suggest me some good intools training institutes with their place and contact nos.

ABB, Thermax,

1 4187

square root calculation for dp flow transmitter? give me a explanation with example

3 49114

plz... clarify my answer, how to calibrate vaccum (DP)leveltransmitter,it is hart. (digital).DETAILS:(coloumn)closedtank height 2650mm,and tx range is 0-1500mmH20.

KNPC,

2 7628

what happen if i install my pressure transmitter below the elevation of pipe in natural gas service. Also support your answer

C2C,

3 9384

What is Cryogenic?

2 5440

What are the automatic controller MODES?

DEWA,

2 11828

what is coriolis principle for mass flowmeter?

ABB,

5 14319

why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell?

6467

I will attend an interview with GasGas company for a position of Instrument Technician ( Offshore )in next month can anyone tell me what questions they will ask. Thanks in advance.

RasGas,

2131

how to use level tranasmitter in closed tank application.?

Dalkia,

3 7610

with the help of suitable diagrams different types of control valves

1 4701

if we have 450 mm heigth boiler drum level ,so what is span & zero value for a dpt tranmitter

4 11920

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Un-Answered Questions { Instrumentation }

Which tank weighing system is better to install (Accuracy point of view) 1) Tank weighing system with 3 load cell or 2) Tank weighing system with 4 Load cell

1382

WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

2027

how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???

2468

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)

2165

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

2197

all types of liquid analyzer principle with drawing?

2018

key exchanges in wpa,wpa2,tls

1986

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?

1568

What is feed factor and its Importance in cement industry? How we can solve feed factor?.

3648

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

2371

How to Calibrate Level Switch in field

1397

how to calculate the total flow in square root

2483

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

2828

Explain the working principle of lvdt?

1248

how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line

2161

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