Answer / mahipal

A electrical motorize valve is a valve that use an electric motor to open or close its mechanism. Commonly used type are gate, ball and butterfly,

in current transmitter why we use 4-20ma ???

2 Answers   IMCO, IOCL,

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WHAT IS D/O D/I AND A/O A/I PLZ EXPLAIN

2 Answers  

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what is the conversion factor for nm3 to kg/hr in air flow

4 Answers  

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why does a transmitter o/o signal starts from 3-15psi or 4- 20mA?

11 Answers  

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principle of dead weight tester ?

0 Answers  

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Pl send the model question paper of mahagenco account officer post

0 Answers   MahaGenco,

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why we take 4 to 20 mA as out put of every instrument like pressure transmittre ?why we cant take 0 to 20mA as output?

6 Answers   OGDCL,

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What are the cable come out from the paddle type flow sensor.and how is further connections

1 Answers  

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testing of thermo-couple?

3 Answers  

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What is wet leg condition and why is it used?

0 Answers  

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what the pid setting in controller

2 Answers  

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steps for installing orifice plate?

0 Answers   Bhushan Power Steel,

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