Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is thef ormula to calculate the rating of a capacitor for a single phase motor

2 4216

What is the formula to calculate the no load current of a single & three phase induction motor

HCL, Nokia,

1757

Where do we adjust the setting of thermal over load relay & how cal calulate.

Hilton,

1 3659

What is the formula to calculate the rating of power cable for three phase current.

1657

How to calculate the cable size in sq. mm. when the load is given in KW?

1 5321

DG Earth Value?

Reckitt Benckiser, Vodafone,

1850

why we are useing capciter in EB meter?

2 4412

in telecom we are using neutral?

1 3087

1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?

1 3734

how i prepare for the written test in mahagenco?

MahaDiscom, MahaGenco, Wipro,

2 5331

in 3phase 50kva dg what is the full load current for single phase laod

6 8302

What is the advisble power factor to be maintained in grid connecting power generation plnats without any effecting the generator.

1 3011

Is it possible to increasing the real power generation by reducing the reactive power in power generation plants

3 4521

in thermal power plants by opening the turbine governor valve increase the generator load. how

3 6672

losses in transmission lines ?

1658


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Un-Answered Questions { Electrical Engineering }

how a flip flop can be used as a latch?

1539


difference between ac series and parallel circuit

1460


What is the ratio of Booster transformer?

1637


What is the formula for calculating no-load current?

633


why h parameter are called as hybrid parameter?

1538






An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

708


The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

1149


th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.

1453


if we have 320KVA Genset kindly advice how much load we can put it.

1003


why don't we use the generator as a motor? and what will happen?

1401


As you achieve greater success with the company after some years, Will you like to be a share holder in our company?

2379


What is the vector group of a transformer,how can it be found out?

1560


why power factor is important?

8280


If short circuit ratio is high is it bad or good for a machine then tell the reason...

1587


What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

1458