Electrical Engineering Interview Questions
Questions Answers Views Company eMail

DIFFERENCE BETWEEN GROUND AND NEUTRAL?

4 5428

DRAW THE DIFFERENCE BETWEEN GROUND AND NEUTRAL IN BOTH SINGLE PHASE AND THREE PHASE?

2 3953

what is pmg and its use

2 3342

which type of motor using in drilling machine ? & who to produce very high torque in drilling machine?

National Drilling Company,

1 4106

A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 2765

what is the difference between vector scale and vector diagram?

1 3725

How we select the vector group of 3phase power transformer?

wbsedcl,

1957

What is hysteresis loss?

PWD, SPML,

1 4151

is there any role of power factor with frequency variation? and how we can manage the frequency variation?

Wipro,

1607

pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

1533

mcb kitna type ka hata hai aur uska pura naam please bataye

2 5258


why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

1972

how to find number of run for transformer & alternator secondary side? give the example.

Powergear, Regen Powertech,

2 4213

which on of the transformer have more core losses and why? 1. Distribution Transformer 2. Power Transformer

5 6959


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Un-Answered Questions { Electrical Engineering }

How much voltage we need to apply in 33kv cable during hipot test of cable

373


What is the use of iron core in a transformer?

617


tell me about roaster switch .& what is the function in transmission & distribution?

2134


PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL

1391


how to do the ductor test?

6528






we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

1463


List examples of current sources?

593


How to calculate energy stored in a capacitance

667


can any one suggest paper presentation topies for electrical engg?

1476


There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

1608


What are the uses of lead compensator?

580


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 ?

1572


why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

1443


What type of fittings and electrical accessories can be install in radiation area ?

1326


Lt motor sfu flashing reasons?

1273