Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Ratings of power transformer,Distribution transformer.

1069

why we are using Load factor?

1338

what is legal process of dg set?

Dutron Polymers,

1071

why three phase capacitor takes unbalanced current in capacitor bank?

Aggreko,

988

In the market there is availability of MCCB & ACB (800A), So, Where i can use MCCB & ACB for the same Rating?

1 1516

How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

1007

Why the symbol of register is "zig zag"

Suzlon,

1110

why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.

Alstom,

984

what is v/f control in VFD?

1034

two phases with neutral supply can be taken in 3C X 10 sq.mm cable .

SPCL,

979

how to calculate insulation level of transformer?

1064

What is the difference between line drop and percentage line drop?

Suzlon,

1053

Alternating voltage and current is which type of quantities?

1 1418

difference between high and low impedance BUS BAR relay??

1041

3phase cable calculation formula by motor load

979


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Un-Answered Questions { Electrical Engineering }

What are the types of feedback oscillators?

783


what percent do you derate your copper wire when you change from copper buss to copper wire

1523


How to back charge the Gas turbine generator

1595


Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

1585


What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

2254






we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.

1603


If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1443


What is the meaning of C1, C61, C91 cable

2782


Can we convert off line transformer to on line transformer

1448


sir& friends i want the collection of recent quetions asked in interview of top most companies please send me on my email san.jsr@hotmail.com

1313


Benifits of 3ph 4 wire metering over 3ph 3 wire

1988


Explain the advantages and disadvantages of thermal power plant?

587


do anyone out there know where to find a compleete list on acronyms/abbreviations used in offshore electric engineering. MCB - Micro Circuit Breaker, MCCB-Mouldes Case Circuit Breaker, ELCB-Earth Lekage Circuit Breaker, ELMCB- etc.....

1539


what is th basic difference between a d latch time line and a d flip flop time line???

1445


What are diffrent type of road taxes?

1447