Answer Posted / salhashakir

Relay- electrical device such that current flowing
through it in one circuit can switch on and off a current
in a second circuit

Conductor- is a material which contains movable electric
charges. In metallic conductors such as copper or aluminium

Meaning of ingrace protection for motor.for ex IPXY

2982

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12.5 tons a/c is their how much kva generator can recommend to the customer.

2096

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During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

1921

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what may the reason for vector shift in a generator?

1914

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1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.

1833

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What is the meaning of Insulation H for transformers????

2180

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If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

2030

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what is the principle of operation of tungstun bulb ??

1878

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2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

2373

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i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

1664

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hello friends..... any one have papers or any study materials?sail ,hpcl...?

1938

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Ceiling Fan and Storage type water heater. Discuss

2018

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1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

1956

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What is an ideal transformer?

1228

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sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

1990

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