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 12909

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

Kanoria,

3 3378

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

4 7138




what is mean by marshalling box in transformer?

Reliance,

7 57211

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

2 5814

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 51639

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 12798

for compensate 315mh inductance ,how many capaciance required?

Mitsubishi,

860




for compensate 315mh inductance ,how many capaciance required?

Mitsubishi,

1 3751

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

2 4129

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

15 28748

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

4 5246

how one can design armature winding bothh front and back connection

1 2018

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

2 11976

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

8 6951


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Un-Answered Questions { Electrical Engineering }

Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

241


CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

213


HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

815


What is PQA???Applications........

1101


State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp

658






State the other types of Air Conditioners?

726


HOW TO CALCULATE THE VT SIZING?

1170


What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?

833


is that a problem if i connect a single phase load to a secondry delta connected transformer but i get a neutral from other transformer i the system?

699


is it possible to have dc motors on single chip

471


what is invertor supply and raw powersupply

731


What will happen if i replace a inductive proximity switch with photo sensor in a machine?

607


the problem faced on star or delta winding connection??

704


What is power in wattage of 8.5 TR AC

379


whati s the sludge current in ups

906