Answer / nikunj

Master PLC will control whole the system and send or receive
the information & command from the connected slave id's.

Answer / alok

Master plc receive the information and send command signal to slave device

Explain about relays.. Can we give both AC and DC to the same relay... How it is energising.. Explain its working..

7 Answers   IOCL,

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What is the constant voltage unit?

0 Answers  

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plc trouble shootings?

3 Answers  

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what would be the minimum flow rate that we can measure on rotameter..?

0 Answers   TATA,

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what is function of sensor, and how is it work , explain with difination

0 Answers   Bapco Bahrain Petroleum Company,

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How earthing can be checked????

0 Answers  

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Explain the working of an enraf level gauge.

0 Answers  

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1.In which princeple DP transmeter works? 2.Why UPS system is use for DCS? 3.How drum lvel controller works? 4.What is the difference between glob valve and gate valve? 5.How axial shift probe work & in which princeple it works?

1 Answers   Luberef, Qatar Gas, Reliance,

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In a class of 150 students, 40 passed in Social Studies, 90 passed in Science and 30 failed in both the subjects. vi)How many students passed in at most one subject among Science and Social Science?

7 Answers   CAT, CGI, Cipla, KHK, Visa,

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what do we mean by hook up drawing. what r the information we get from it?

7 Answers   Reliance,

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how to check the leak in thermowells

1 Answers  

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what is the difference between Feedback controller and Feed forward controller. and when it is to be used.

3 Answers  

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