what is the daily job of an instrument commissioning supervisor

1 Answers   Petrofac,

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how pressure reduce through pressure control valve? suppose we have to reduce 20 kg pressure to 10 kg pressure , then what we do ? open the valve or close the valve , initially it is 20 % is upon ( for ur knowledge ).

4 Answers   TATA,

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How many types of sensors are used in instrumentation & what are names

1 Answers   CTC,

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I am applied 100 % pressure on to the air to open control valve,but the valve is not fully closed..and 10-15% is open the valve. how to calibrate the control valve?

3 Answers   OPaL,

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Qatar fertilizer call me for interview as Instrumentation Project Engineer. Please let me know what kind of question they asked ? ALso they said they will take Written test, any idea about this written test ?

1 Answers   QAFCO,

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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 Answers  

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How to get Cv of control valve having following parameter ,i.e inlet pressure 4.5kg/cm2 outlet pressure 1 kg/cm2 specific gravity 0.808

3 Answers  

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hw to calibration a control valve?

3 Answers  

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how to define range of dp level xmeter in open tank

1 Answers  

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Decibel.

0 Answers   CCIE,

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Why mixer nd grinder Is example of constant torque load not variable torque load ???

0 Answers  

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why we are using perforted cable tray for control cable and ladder tray for power cable

1 Answers  

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