Answer / qamar

use for tight shut off purpose

how to install the Ph and Conductivity analyser? is there are any procedures which has to be maintained.

2 Answers  

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tell about various protocols used in different plcs

3 Answers   Emerson, Samtel,

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How the sizing of the analog signal cable is calculate?

0 Answers   Reliance,

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What do you need to consider when installing a flowmeter

2 Answers  

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What is the different between ESD & PLC.

1 Answers  

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Tell me the field calibration procedure step by step with diagram of temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue).

1 Answers  

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which type inter lock use in petrochemical refinery,and oil & gas?

0 Answers  

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what is the calibration procedure for magnetic flow meter @ onsite

0 Answers  

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wht is snap action switch?where it is used?is there any diff between snap action switch and normal pressure switch?

1 Answers   ONGC,

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Are Coils of Electromagnetic flowmeter in direct contact with fluid material

4 Answers   TATA,

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i have one absolute pressure transmitter for the range is -400mmhg to 400mmhg. If i do the zero trim at atmosphere the transmitter should be give 4ma or 12ma? which one is correct?

2 Answers  

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What is the difference between dry contact and wet contact?

2 Answers  

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