which type signal come control valve

6 Answers  

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I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.

1 Answers  

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can anyone guide me how to get any of the previous year GAIL question papers? are they available? 0n 2nd august i have to take the written test.

1 Answers  

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Why is it necessary to use compensation leg to measure the liquid level in a closed or pressurized tank?

1 Answers  

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what type of cables are used for f&G systems and detectors, what is the standard colour?

2 Answers   Punj Lloyd Ltd,

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

1 Answers  

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1.what is beta in control valves? 2.what is the condition followed by light in LASERs? 3.1kg/cm2=?psi 4.Integral action reduces what? 5.about vena contracta 6.a simple RC circuit 7.thermistor material's temp coefficient of resistance 8.if wave passes through the thicker area of a chord to a thinner area what changes will occur to wavelength? 9.if 4-20 mA represents 0-10 kg/cm2 what will be the current when pressure is 5 kg/cm2.................

0 Answers   Lurgi,

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What is a PID?

6 Answers  

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what is the principle of vibration

3 Answers  

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How many input(Analog and digital) and outputs(Analog and digital) are there in DELTA v DCS Version 7.0?

2 Answers  

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

1 Answers   AquaTech,

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I want to measure level under vaccum by using DP Tx and vaccum vary between -500 to -670 mmHg and process fluid is accetic anhydride if consider process fluid density 1 kg/cm2. how to calibrate Tx ? consider level is 0 to 100 Cm.

1 Answers   CCC,

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