Answer / anitha r

Germon Simon ohm

Answer / nagarajan audaiyarpatti

Germon simon ohm

Answer / nirav desai

Germon Simon ohm

Can anyone send most commonly asked interview question in Oil & Gas industry

0 Answers  

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Controller not working in auto mode?...what are the problem can occur...Pls explain

1 Answers   Aramco,

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What is loop or pigtail in an impulse line?

8 Answers   Qatar Airlines, Qatar Petroleums,

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A temperature sensor (RTD) connected via a temperature transmitter is adjusted to give an output of 4ma at 60 deg and 20 ma at 600 deg. This output (4-20ma) from the transmitter is connected to an IGBT-inverter to control a high speed (-12,000 to +12,000 RPM) DC motor. And in the inverter it is programmed as, for 4ma the motor speed will be -3,000 RPM and for 20ma the motor speed will be +10,000 RPM. The question is : If the motor speed is +5,500 (RPM), what will be the temperature? (-sign indicates that the motion is in reverse direction).

9 Answers  

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What is impulse line size

3 Answers   IFFCO,

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Explain how thw analog to digital converter works with the circuit diagram

0 Answers  

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In control valve , Failure position : Close If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..

2 Answers  

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what is Instrumentation?

5 Answers   RCL, TCS,

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why use on -off control valve in glove valve

1 Answers  

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What are the different types of temperature sensors and the principle they work on?

1 Answers   GAIL,

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d/p flow transmitter LP side give to pressure.what you geting out put ? how you get(ma)?

6 Answers   ABB,

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what are the documentation and instrument identification system used to identify the correct device to be calibrated? name atleast three.

1 Answers  

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