Answer Posted / query

The term ground and grounding are used in US electrical
engineering to represent electrical equipment that is
securely bonded to the ground (i.e., that on which we
stand) for safety reasons. In the UK the equivalent terms
are earth and earthing.

What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?

2156

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What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

1746

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What is block diagram?

1102

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how we design a pannel to start 10HP motor with the help of star delta starter?

2221

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what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2087

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when qty of cable being purchased is not sufficient according to the standard,what should the inspector do to ensure its quality according to the standard?

2078

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what is die electric strnth of transformer ?

2187

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1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?

2337

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does any one know where we can purchase insulation oil for high voltage oil filled cables

2338

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defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

3702

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What is the operating principle of turbo-generator.

2345

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HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

1933

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What are the internal and external faults?

1109

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what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

3696

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In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

1226

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