what is Potential free contact? where it is used?

3 Answers   Engineers India Limited,

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In control valves (like feed water control valve) we will give 3 kg pressure and how it controls 110 kg of water pressure?

4 Answers   SSL,

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what is the principal of flow transmeter,level trans meter,presser transmeter?

11 Answers   Nestle, Reliance,

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difference between vaccum and draft

0 Answers  

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generally for transmitter we are giving supply 24vlts?but we are getting output 4-20ma ? how it is possible? is there any operation inside the tx?pls give complete information?

3 Answers  

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What is the difference between a Extension cable and a copnesating cable.Where can we use compensating cable. Is anywhere compensating cable are used for mv transmission to the indicator.

1 Answers  

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What is the relationship between the universal gravitational constant (G) and the acceleration due to gravity (g)?

3 Answers   APPSC,

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What is mean by analytical instrumentation?

0 Answers  

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Difine flashing , Cavitaion & Noise? how to minimize these effects

3 Answers   L&T,

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How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.

0 Answers   Heisco,

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What is the input impedence of an OPAMP as an ideal device.

1 Answers   CCIE,

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How would you choose differential range?

0 Answers  

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