what is the function of a zener diode ?

2 Answers   Honeywell,

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how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

0 Answers   Adani Power,

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how to calculate the temp. of RTD&Thermocouple when we got some mV r Ohms?if anybody has d chart pls mail the chatrs to me...

1 Answers  

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send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com

0 Answers   HPCL,

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how to measure level under ground tank ? which type of transmitter very accuracy ?

3 Answers   Biocon,

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HELLO FRIENDS plz tell me which are the PROTOCOLS we are using in PLC

3 Answers  

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What is the difference between fire detector and smoke detector?

5 Answers  

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Can i convert 230v ac to 24v dc by using a relay?Instead of Smps is it possible? What is relay logic in plc ?? How it works?

2 Answers   Infotech,

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why we used for range in pnumatic 3-15 psi and current 4-20 ma?

11 Answers   Jindal,

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how we convert Mili ampere to temp txt,level txt,flow txt,pressure txt range value

4 Answers   Saadi Cement,

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1,why we use 4-20 ma output of all instrument qhy not use 0- 20, 2,what is the different between PLC & DCS. 3,how can we meaure maximum span of new flowmeter if not given any information.

4 Answers   Reliance,

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What is the use of temprature compensation?

0 Answers  

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