Interview Questions Answers in Electrical Engineering

Questions / { saravanans }

Questions Answers Category Views Company eMail

cable selection formulas for electrical load.

Bhel,

1 Electrical Engineering 7468

megger how much voltage will produce ?

4 Electrical Engineering 7941

Answers / { saravanans }

Question { Exide, 21964 }

What is the effect of leading power factor for power
transformer & D.G?

Answer

SHAAN FROM MADURAI:

LEADING POWER FACTOR IN TRANSFORMER THERE ARE REDUCE
INDUCTIVE LOADS

Is This Answer Correct ?

3 Yes

11 No

Question { ABC, 6560 }

what should be the value of proper neutral earthing
resistance?

Answer

hai i am saravanan from madurai ( west masi street )

answer:
below one ohm should be maintain in neutral earthing.

Is This Answer Correct ?

8 Yes

0 No

Question { Suzlon, 8108 }

What is reactive power?

Answer

reacitive power is wattless power

Is This Answer Correct ?

0 Yes

0 No

Question { Areva, 11543 }

what is XLPE type cable

Answer

XLPE cable only used for HV transmission.and this is
polyethylene cable.

Is This Answer Correct ?

1 Yes

11 No

Question { 12103 }

What is GNR ? How much value of ground neutral resistance?

Answer

ground neutral earth resistance should be below one ohm.this
used for balance the voltage

Is This Answer Correct ?

3 Yes

4 No

Question { GMR, 4977 }

can we use existing delta star with neutral grounded,step
down(6.6kV/415V), 3 phase power transformer bi-directionally.

Answer

we do not use bi-directionally .because that is step down
transformer.

Is This Answer Correct ?

1 Yes

5 No