what is meant by re-rolling motor? how it differs from standard motor?

0 Answers  

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Why is shaft current insulation required on large motors & when should it be checked i.e. before or after assembly?

2 Answers   Aramco,

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Why Alternator has 0.8 power factor?

2 Answers   Bhel,

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how is the testing of an REF relay? what are the test REF circuit having?

0 Answers   Siemens,

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Is there such a frequency as 440v 50Hz?

1 Answers  

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2 t/f operating in parallel will share the load according 2 their- a)leakage reactance,b)pu impedence,c)efficiency,d) rating.

1 Answers  

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how to select the double earth conductor if 21A full load?

0 Answers   L&T,

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In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

0 Answers  

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wht is an AVO metre. and whre it is used?

1 Answers   Mayflower,

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what happen when dc shunt motor field is sudden open in running condition

34 Answers   APGenco, Bhel, IIT, JMRC, TCS,

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What iz main protection of mediuum voltage motors and what iz the standard IR voltage of 6.6 and 11kv motors.

1 Answers   GE,

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What is meant by turbo alternators?

0 Answers  

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