Instrumentation Interview Questions
Questions Answers Views Company eMail

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

3 6956

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??

1699

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 14877

what is the difference between cold loop and hot loop

2 11665

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

4 20704

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

GNFC,

4 12712

in which application we use bigger size actuator

5 7109

diffrence b/w accuracy and precision?

HPCL,

4 7236

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

2 17631

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 16175

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

2907

what is control valve input and out put

Nirma,

10 25180

what is thermocouple output

IPCL,

7 9973

What is principle of ultrasonic level transmitter?

3 9214

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

1 2497


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Un-Answered Questions { Instrumentation }

what is the difference between magnetic flow meter and mass flowmeter

891


How many interlocks at turbine? Plz explain briefly

1518


what is droop in governer ,type of droop ,how it work

1757


How to Calibrate Coriolis Flow transmitter in field

742


Explain pH, Conductivity.

1683






How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

1161


What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

2146


How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?

1582


Can Any body tell me about the Contact or Email id of any good Consultancy which help me to find a job in Instrumentation Field in India .I have Six years of Work Experience in the Same field.Please revert me back on shammi_gwalior@yahoo.com ?

1440


What is difference of fanuc alpha series 16i and 18i controller.also what is differnce betn TC and MC controller

1866


Programmable Logic control.

1503


What is PDS and PDMS ?

1689


what are the diff. in servo and regulatory control?

3460


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

1552


selection of the zener barrier for the hazardeous area zone 0

1765