Answer Posted / sourav pramanik

contact multiplication relay are used for incresing contact...let there are so many on off switch ,alarm are to be activated..but main relay contacts are very less..so to increase contact we use cmr.

How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs

5190

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In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?

2036

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What is the types of HT motor testing

3595

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What are the operation carried out in thermal power station?

1065

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1816

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how is find out kwh step by step

1801

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I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

2009

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If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?

5247

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what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.

1957

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An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another

2074

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sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in

2031

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What is conventional thermal current (Ith)

4451

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in science exhibition how lamp can blink when you clap near the lamp ? thank you

1992

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List examples of voltage source?

1050

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why any centrifugal blower draw more current in starting. consider id fan and fd fan?

1863

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