Instrumentation Interview Questions
Questions Answers Views Company eMail

what is the name of thermocople element cable from field to pannel end?

3 4495

when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

596

when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

2 9617




what is the difference between cold loop and hot loop

2 8571

why we use 24v dc in instrument rahter than 230vac????

4 14191

why we use 0.2 to 1.0 kg/cm2 output in control valve

GNFC,

4 7468

in which application we use bigger size actuator

5 4182

diffrence b/w accuracy and precision?

HPCL,

4 4599




can we connect instrument earth pit to electrical earth pit, if not why?

2 12366

If we interchange HP and LP tapping in drum level measurement and reverse LRV & URV correspondingly.What is the difference between the normal tapping(HP,LP) and reversed tapping(LP,HP)?

2 9518

What is Droop? What is Step/Gradient Limiter in Turbine Governor control?

1247

what is control valve input and out put

Nirma,

9 11502

what is thermocouple output

IPCL,

7 5785

What is principle of ultrasonic level transmitter?

3 6517

what is formula for calculating flow if i have pressure and pipe diameter?

1055


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Un-Answered Questions { Instrumentation }

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

3880


what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

853


on interface level transmitter model(RTG3302-EMERSON) What is threshold valve how can we select correct threshold value T1,T2,T3,T4 When interface water & hydro carbon

621


how to change measuring units from mmwc to cubm/h in rosemount air flow transmitter with hart communicator fluke 744

787


what is difference between fork type and capacitance type level switch. where it is using

523


need instrumentation job completed 1 year trainee ship in mnc pesticide company. now in search of job

463


Draw block digram for well head from well to shipping pump?

794


Please send me the sample question of Instrumentation of hpcl/iocl exam. my mail id hihi_kiholo@rediffmail.com

1701


basic connection and principle of axial shift sensor n differential sensors in tubine describes n draw......

711


Which is the best field foundation bus. ( FF ) Yokogawa, Honeywell or others ?

202


Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?

496


what is the difference between -24 : +24 & 0:24 and where it use?

546


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

882


i want to find out iffco get test paper

9332


what is insdustrial vibration.who it works. give atleast 2 types of insdustrial vibration

560