Instrumentation Interview Questions
Questions Answers Views Company eMail

What are the key components of control loop?

1 5148

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

1 6244

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

1 2983

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

Thermax, ABB,

1 1804

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

3 23038

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,

1 2148

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

C2C,

3 3915

What is Cryogenic?

2 2344

What are the automatic controller MODES?

DEWA,

2 6190

what is coriolis principle for mass flowmeter?

ABB,

4 7181

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?

3129

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,

511

how to use level tranasmitter in closed tank application.?

Dalkia,

3 3655

with the help of suitable diagrams different types of control valves

1 1856

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

4 5850


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Un-Answered Questions { Instrumentation }

How can i solve the problem of ROSEMOUNT 5300 guided wave level transmitter of full range? For more clearfication , another guided wave level transmitter VEGA brand have the same problem and i solved it by drain the champer from water and make "false signal suppretion" from transmitter push buttons it's configuration to tell the transmitter to avoid any built-up signal ,,, so my question how can i avoid the problem that rosemount read full range while the champer empty or any other ????

174


What is the PLC configuration in Cement industry?

1754


What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?

608


explain key exchanges in all security modes WPA,WPA2,TLS?

469


Why even multiple power supplu r used in instrumentation system?

2091


can any send me a forbes marshall dtron 316 manual

410


How can I make calculation for Install level transmitter (DP) for open tank and cloes tank?

991


I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.

408


Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?

347


In which principles tx ,pressure gauge,Temp gauge,control valve works?

258


Q- What are the application in which PNP transistor is preferred over NPN ?

1703


IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?

797


what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

662


KAlman filter code for two dimension?

472


What is Positive Calibration and Negative Calibration?

576