Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what are the ''pitting rings''and how cn they be controlled in a series generator

1856

If the primary side current of 33/11 transformer is 64 amps then what will be secondary side current?

2 4594

what is magnetizing current test in power transformer

ABB,

2748

What are the differences between single phase and three phase?

ABB, Essar,

2041

How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

2059

what is impedance in a transformer? how can i calculate it?

1 3846

what is diversity factor ? plzzzzzz describe me

1 3739

whats the existence of reactive power and when it arises?

IIT,

2128

wchich motor we are using in mixer?

4 5642

how power is generated,and transmitted to our home..pls explain briefly in simple words.

HAL, Subros,

2258

what is the last range of mccb in amp?

2 4696

how to design the heater in temperature control unit to heat 50KL of water?

SunMax,

1924

what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?

1930

what is the formula to calculate the distance between one phase to another phase in single phase line and 3 phase line for different volt for example ; 33kv, 11kv ,22kv,230v

Suzlon,

1 3959

What is the distance between each insulator in 33kv transformer and how can it calculate

2184

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Un-Answered Questions { Electrical Engineering }

How much of the total hydro power potential has been exploited so far in india?

1119

how to calculate short circuit current for the busbar

1503

HOW DO I CALCULATE THE SETTINGS FOR THE DIFFERENTIAL PROTECTION OF A 12kV/6.6kV, 6MVA,DYN11 XMER WITH PRIMARY SIDE CTR 400/1 AND SEC SIDE CTR 600/1?

2609

How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?

1824

HOW TO TEST A LIGHTENING ARREST ER ?

2200

how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64

1454

explain working principle of earth leakage relay

3707

in dc shunt motor if field winding is shorted then

1841

how to check regenerative load in drived motor

2231

how does this job compare with others you have aplied for?

1649

How we can change the direction of rotation of Induction motor? Prove it using graphical

2177

Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

2055

What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

1882

We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

1996

How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

2425

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