Answer Posted / b soni

we can measured by the Wector group it is star or delta

Why the efficiency of generator is more than motor in swinburne's test

1970

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Why do we use copper cable for HT Supply and why not Aluminium?

1959

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What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

1921

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sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

2165

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what is the use of surge suppresser in 33 KV incoming panel. where it must be installed,inseries with incoming cable surge suppresser must be at incoming of the breaker are outgoing of the breaker

5328

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will there be any problem by recovering slip from single phase induction motors?

1826

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Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?

1781

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what is the difference between electrical and electronic choke?

1899

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in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?

1865

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can anyone give an idea about dia calculation in cold rolling mill

1579

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Air circuit breaker safety

1346

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1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

2725

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In vapour absorption refrigeration machine fluids used are

1168

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write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;

2101

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When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

1850

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