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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

Crew pvt ltd,

668

what is the safety of VCB.

Nagarro, Roto Power, RotoPower,

4 13588

what is RR number Abbreviation energy meter

Trimax,

2 2629

How do ACB are maintenance, what are the problem occurred in ACB

KIML,

736

How they LT panel busbar size choose

802

why multiplying factor is used in wattmeter???

Nippon,

1 3529

i need to calculate high voltage line power factor daily basics but there is meter reading kwh and kvah while calculating power factor kwh/kvah formula was right. for examble there is point c=13kwh c=1.8 lag c=1.2 lead and c=14.5kvah like that i know that p.f =kwh/kvah but c=1.8lag kvarh and c=1.2lead kvarh points i dont know if u know please reply

1 878

how starting current in motor is reduced in case of motor in star connection.

Adhunik,

4 1840

What is the abbreviation of NGT panel

1034

what is the main function of capacitors in mccs.

777

In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

813

what is the role of MPU in DG set

Weltech Engineering,

1 5792

Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

705

How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva

688

What difference between ref protection and differential protection ?

EPC, INEL Power System Engineers,

857


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Un-Answered Questions { Electrical Engineering }

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

1129


what are all the components required to assemble solar panel other than pv cell?

435


What is the difference between acs 550 & acs 850

4767


how point on wave controller works.

1527


Mention the disadvantages of low power factor?

160






WTA used cb?

928


What is meant by vector group

1464


List few applications of d.c series motor?

162


i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

909


What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?

1048


why asa method ZPF method is more accurate than ASA method?

4315


what is the difference between vector scale and vector diagram?

3054


how wecalculate breaking capcity of acb mcb mccb .explain with example

910


What is rotating magnetic field?Discuss elaborately.

1685


how is calculated the quantity of weight in hot test xlpe?

1482