Answer Posted / pharmacist

for written test at 19.09.10

what happen when power factor of 2 parallely operated transformer become equle?

2211

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What would be the size of wire used for 2 Ton of window A.C?

1928

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how to extend relay operating timing in 24V dc relay card (without using Timer )

2012

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What is the reason that the humming sound is coming from the induction furnace panel?

2610

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Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

4416

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what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group

2094

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in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?

2176

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What is difference between mcb and mccb.

1160

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what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

1993

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Why HT 11 KV Slipring Motors are connected in star ?

2236

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can u give me a brief idea about power line carrier communication ??

1998

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Why you are switching off arc protection mcb when you are taking shutdown for lv board.

1708

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wish of these transformer uses oil?

1633

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Why should we hire you over the others waiting to be interview?

2849

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Why field rheostat is kept in minimum position while armature rheostat at maximum position?

1117

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