Instrumentation Interview Questions
Questions Answers Views Company eMail

How do you measure g's?

HPCL,

1 1599

What is the meaning of the term "g force"?

1 3743

What is the relationship between the universal gravitational constant (G) and the acceleration due to gravity (g)?

APPSC,

3 15023

Identify the electrical variable that is either directly or inferentially used by various instruments to determine the value of a measured variable.

2 2155

Describe how to calibrate various types of instruments and transmitters using ISA industrial consensus standard techniques.

Reliance,

2 3286

Identify and use the ANSI/ISA-S5.1 consensus industrial standard process symbols.

GAIL, Olympia,

1813

Troubleshoot to the device level basic process control systems given the Process and Instrumentation Diagram?

HPCL,

1 2472

Convert a pressure, level, flow, or temperature process variable value into the appropriate pneumatic or electrical value given different types of instruments.

Jindal, MCL,

4 7003

Determine the manipulated variable, controlled variable, and the measured variable given a description of various typical industrial processes.

Honeywell,

6 14997

How to set up the various advanced process controllers, input the proper parameters, and tune those controllers given related control system information.

EID Parry,

1 1493

How the warning lamp of a charging-system is activated ?

762

Technician A says the brake warning light is connected into both the parking and service brake systems. Technician B says the brake warning light will come ON only if the service brake system fails. Who is correct?

2 1485

If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?

530

Technician A says that a fuel tank sending unit will have a high resistance only when the tank is full. Technician B says that its resistance when the tank is full depends on whether the sending unit is designed for use with a bimetallic gauge or with a magnetic gauge. Who is correct?

3 2633

what will the sending unit in the fuel gauge utilizes?

451


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Un-Answered Questions { Instrumentation }

plz send me general of ongc

500


Why do we have earthing cable in branch cable and shield in the same cable?

995


what is the input of ph sensor and meter during the calibration time and what is the output?

614


What is heating effect?

659


Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent

511


In turbine, what does term CDP, NI, NH, HSSOC, means

892


what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?

335


Draw bode plot of any transfer function. Why is plotting bode necessary?

595


How to calibrate level transmitter with use of HART?

1105


What does PCU means with respect to Dead Weight Tester?

533


1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?

563


Is it ok, to use non-contact type Radar type LT, on a tank that is half circular from the bottom side? If yes the, isn't the waves gonna bent in other directions? 

613


POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?

518


Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.

650


What is the cascade control system and where is use in power plant give the detail with block diagram

655