how to calibrate temprature switch and flow switch ?

1 Answers   Adgas,

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What are the uses of orifice plates?

0 Answers  

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why the supply frequency used in America is 60Hz while that used in India is 50Hz?,

2 Answers   Bosch, Genco,

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can we control operation of PLC from operator station?

3 Answers  

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what is difference between venturi and orifice

1 Answers  

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What does a fire detector detects?

4 Answers   GAIL,

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What is DCS and PLC scanning time?

5 Answers  

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To calculate temperature, why we multiply 25 with mV?

2 Answers  

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in sports(eg,cricket) what is the technique for measurement of speed of the ball thrown by the bowler.

6 Answers   BEL, PSU,

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If a normal magnetic type flow transmitter that can measure flow, temperature and show this parameters on field, is it possible by any means to get this (flow and temperature) parameters info. On dcs? And if yes then with HART, FO communication or any other communication system?

1 Answers   Process Control Technologies,

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What is loop or pigtail in an impulse line?

8 Answers   Qatar Airlines, Qatar Petroleums,

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If range of 3-15 psi, a multiplying relay with a 1:2 ratio would give what output pressure for 6 psi input?

1 Answers  

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