Interview Questions Answers in Electrical Engineering

anil mohapatra

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Questions / { anil mohapatra }

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In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 Electrical Engineering 4120

Answers / { anil mohapatra }

Question { 8787 }

why there is a humming noise in transformer

Answer

due to magnetostriction and presence of harmonic components also

Is This Answer Correct ?

11 Yes

0 No

Question { IIM, 5928 }

which type of motor is suitable for water pump?

Answer

INDUCTION MOTOR(SQURALE CAGE)

Is This Answer Correct ?

15 Yes

2 No

Question { BPDB, 42670 }

What types of motors are used in cranes

Answer

d.c. series motor

bcoz its starting torque is high and also speed is inversly
proportional 2 load

Is This Answer Correct ?

48 Yes

14 No