Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

Reliance,

2 13186

Befor synchronissation of Generator what test to be carried out.pl.specify with reason.

Kanoria,

3 3426

What is In (current rating) shown on the MCCB? Is this full load which can withstand by the circuit breaker

4 7288




what is mean by marshalling box in transformer?

Reliance,

8 57937

how the 6.6KV motor can be used with 11KV?

2 5881

What happens if a three phase induction motor is suddenly single-phased while running? Which type of winding connection will be affected?

DRDO, FACT, B4S Solutions, SL Electricals,

22 52377

please tell 1 ton equal to how many kilo watt?? in some converter software's that is 3.5 kw. is it right?

Mitsubishi,

8 12979

for compensate 315mh inductance ,how many capaciance required?

Mitsubishi,

893




for compensate 315mh inductance ,how many capaciance required?

Mitsubishi,

1 3786

what is meant by line voltage and phase voltage in a three phase transformer?

2 4171

"What is the difference between voltage and potential differnce?"

15 28987

why most of the substations are rated in multiples of 11?

4 5324

how one can design armature winding bothh front and back connection

1 2066

what is the difference between synchoronous and alternator and induction motor and generator

2 12150

How much current flow in no load condition of a motor?

8 7026


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Un-Answered Questions { Electrical Engineering }

5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........

923


At light load transformer efficiency is less because A secondary output is low B transformer losses are high C fixed loss is high compared to output D copper loss is small

2476


How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.

441


Why line VTG = √3 phase VTG in star? How?

383


what is your majour contributions in your present job

667






In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

464


What is the function of the generator exciter?

161


if a.c supply is given to the motor,, what happen?

940


What kinds of decision are made about CT from it's Knee point(voltage & current)?

2222


Why saturation region slowly shifted in the left side?

677


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815


what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

825


I WANT BHEL PREVIOUS QUESTION

1089


how much excitation voltage required to generate 1mw power?

706


What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?

220