Answer / ramana

This belongs to Arcmedies Principle, This Defines: The loss
in weight of a body is immersed in a liquid is equal to the
amount of weight of liquid displaced by the body.

why can't we use 5-20mA standard or some other instead of 4- 20mA?

6 Answers   Emerson,

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defination of plc

14 Answers   ABC, Sofcon,

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I am going to attend a recruitment drive by Schneider in 2 weeks. They have a technical test in the beginning. I would like to know what are the areas i should concentrate on while preparing for the test. My major is Electronics and Instrumentation.

1 Answers  

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what is difference between RTD , thermo couple and thermistor in general ?? (except temperature co-efficient )

5 Answers   Bilt,

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why we use only 4 to 20ma other than 0 to 16 ma

5 Answers   Invensys, Systech,

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How does a redundant controller comes in line when the main controller fails??

3 Answers   Yokogawa,

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what is cascade loop and how it work and why it used instead of PID single loop? In cascade, Which loop is faster and slower? Please explain with loop drawing and example...

2 Answers   Honeywell,

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What is maintenance planning?

3 Answers   Qatar Airlines,

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How to zero trim the level transmitter by using foundation fieldbus communicator.

2 Answers   Emerson,

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how checking is done in fiber optic cable? explain the working of RTU?

5 Answers   PSU,

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what are the following documents comes under loopchecking

1 Answers   Heisco,

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how we can calibrate split range control valve?

1 Answers  

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