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

Instrumentation Interview Questions

Questions Answers Views Company eMail

whyvibration probe (bently nevada ) is set -10 volt for zero reference?

2 6818

Which buffer solution is used for PH transmitter calibration?

3 6996

For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

5463

what is the formula for calculating milliampere at different pressure points for eg 4-20 ma = 3-15 psi but if i have to check the ma at 4.6 ma?

4 27441

what is three element in thermal boiler

9 13740

what is the conversion factor for nm3 to kg/hr in air flow

4 140775

HOW TO CONVERT 0-60KG/CM2 PRESSURE TRANSMITTER TO A LEVEL TRANSMITTER? CAN WE ABLE TO DO IT? IF YES HOW TO DO IT BY USING HART?

3 9270

how we can measure the interface level?is it possible to measure interface level with dp or pressure transmitter?

2 5994

can any one give me the cost price of yokogawa & rosemount transmitters

4 8708

Is it possible to drill additional gland hole in EExd or EExe JBs? What are the points to take care?

2 5689

WHICH IS BEST INSTRUMENTATION OR ELECTRICAL ENGG?

SAS,

3 7157

can we change the range of 3151 model level transmitter of rosemount make? present calibration range is 1000mmwc and want to change it to 2000mmwc

4 8367

What is difference between converter & transducers?

4 28073

what is buoyancy law?

1 5033

define optical temperature detector

1 5083

Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?

2058

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

2114

hey any one got the papers of SAIL and HPCL plz do help me by posting them to my mail ID's naren07_87@yaho.co.in, surenarendra@gmail.com

1932

What is the differerence between hysterisis and linearity.

2322

What is the basic difference between Modbus and CAN Open Protocols

6450

Conversions

2137

what is the different between deflection type measurement and null type measurement in RTD?

1898

if my flow is 20000 m3/h than which range of DPT i have to use????

1837

what is the reason while warning lamp is on while the engine is cranking?

2153

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

2108

how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc

2083

flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty

2307

How do bending tubing provide better measurement than using tubing fittings such as elbows?

1943

Explain why use mmwc unit?

1056

Why do we floating DC in DC system.

2902

For More Un-Answered { Instrumentation } Questions Click Here