how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

0 Answers  

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Why in Digital Megger for finding Insulation resistance,-ve is applied to core or conductor and +ve is applied to ground.

1 Answers   ACC,

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if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??

7 Answers  

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What do you mean by a current transformer?

0 Answers  

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What is the formula for calculating no-load current?

0 Answers  

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pls,send the previous year written test questions.

0 Answers  

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Why ideally the internal resistance of voltmeter should be infinite and of an ammeter be zero

2 Answers  

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why insulators are colured in brown only?

3 Answers   Transco,

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what is rotary ups?

2 Answers  

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what is AVR and tell principle and working?

10 Answers   ITC Infotech, MIOT Hospitals, YCC,

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What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?

0 Answers  

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suppose MCC (Motor control center)panel work on field the relay on this damage or not work and earth fault occurs in this and no indication in relay panel given below. than MCB trip or not and what effect the panel how find relay will damage or not work.

2 Answers  

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