Instrumentation Interview Questions
Questions Answers Views Company eMail

If P will increase then what will happen with PID?

Chettinad, Galfar, Mehran Sugar Mills,

1 5233

Why we are using sqare root in flow?

4 6744

T.x range -0.1 to 0.2 milibar,so how much mili ampear at 0.1 milibar?

Sugar Factory,

7 7571

WHY RESISTANCE TEMPERATURE DETECTOR IS AN ACTIVE DEVICE

2 5371

how many mmwc are eual to 1kg/sq.cm & can we calculate mmwc into tph?

2 3790

what is linerity and non-linearity?

2 5524

Hi at present i m wrking with tire industry as a manager having gud ctc. Nw I am selected for 1 of the best chemical industry but my ctc is lower than current n also i hv 2 compromize vit post as post is also lower. I hv 6 yrs of exp in various type of industry. Should i join chemical industry as there ar lot of gud instrument than tire? Financialy i can manage 4 more 2 yrs. Bt during wrking vit tire industry i found there is very less instrument n feel that opportunity is less. Pl ans quickly. I have less time to decide.

1 2892

how to calibrate electro pneumatic positioner 8013 mil controls ltd ?gsr

7460

how to calculate the temp. of RTD&Thermocouple when we got some mV r Ohms?if anybody has d chart pls mail the chatrs to me...

1 3859

how to caluculate flow by using transmitter?tell me plz I am eagerly waiting for your reply..

Agi Glaspac, Reliance Power,

2 4943

why do we use 4-20mA as o/p and why don't use 0-20mA or 5- 21mA?

3 7917

what is PID n give me brief info. about P&I&D.

2 5489

why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

ONGC,

2211

what are the sensor types of vibration&speed?n what is proximity sensor?

3 6269

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

2076


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Un-Answered Questions { Instrumentation }

Why humidity limit is 30 to 55 % for raw material storage?

3625


What is the diffrence between digital signal processing and discrete signal processing?

1591


Pl send the model question paper of mahagenco account officer post

2259


what is the procedure of O2 sensor(ABB) calibration?

1718


what is easiest way to read STL language in PLC?

2664






types of cable..? Use of every types of cable..?

1612


In a gas over oil actuator, after the opening/closing of valve, how the gas is vented out? How does the hydraulic/gas circuit function?

1388


Hi my friends Is any one who can assist me in knowing the typical interview questions for system engineer at General Electric pty Ltd

1642


What is the difference between working pressure and calibration pressure of a control valve

2592


What is three element in drum level?

932


What is shielding effect?

1764


What are primary elements of measuring pressure? Which type of pressure can be measured by these elements?

642


the 3 most common transmitter protocol being in refinery or qatar gas and aramco.

2493


WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?

557


How to Calibrate Level Switch in field

795