Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to detect the presence of underground cable(while digging road)etc. -give the name of instrument


7 7934

how to measure the A.C flux .-instrument


8 5459

which subject is better to tell when hr asks the area of interest?..


if step down transformer step down the voltage,will current will also be proportional step up. If yes then how transformer handle such a large current?

4 4894

What is the meaning of Fault level rating?

Balrampur Chini Mill,

1 7841

Why semi-conducting insulation is used in XLPE cables?

1 3064

I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?

11 26201

what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?


how can we change the rotating direction of single phase AC induction motors?

L&T, Heubach Colour, MNM Jain Engineering College,

12 63902

why C T secondary are rating 5A generaly .

7 7395

why earth hole size is biggest in socket point.

5 5800

If DG runing time Neutral earth connection Dissconect what will be the effect in load and equipments.

Reliance, HP, GE,

3 4854

If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.


2 3325

What is transformer break down voltage.And what is flash oil flash point.


1 2998

Why dc Supply used in Control circuit.


12 18473

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Un-Answered Questions { Electrical Engineering }

explain the Trip supervision circuit


why the earth is taken minimum in supplying? wather it the proportional factor to getting work any equipment or a power plant?


What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?


What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?


Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??



as a electrical student why should i hire you?


what are the installation procedure of high voltage power transformer,CT,CB&PT?


how work a harmonics filter(L-C combition).


How to measure the Harmonic Distortion of UPS ie THD?


we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.


how to calculate the Neutral transformer impedance?


What should be the magnetic balance test values for a 3 phase delta/star connected single primary dual secondary winding transformer (90 MVA / 2 X 45 MVA TRANSFORMER)


Ceiling Fan and Storage type water heater. Discuss


write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;