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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

When motor stater and roter air gap do big then what will moter.

Intas,

3 6536

Impedance relay is directional relay or non directional relay?

KSEB, NTDC,

2 8381

What is difference between Electrical & Electronic Device?

AZ Engineering, Vodafone,

7 13445

Explain and give examples about VCB?

AZ Engineering, Vodafone,

3273

what is transient earth voltage

2 7008

how tto ingress mw in turbine explain.procedure ?

Power Grid,

2233

How to calculate load requirement of a 50 flat apartment with 5 kw each unit,sizing of cable,transformer

1 4068

what does mean ct knee voltage and burden

1 4261

In three phase, phase to phase voltage is 440 Volts, but the three phase motors are designed for 415 Volt, 50 hz, why

Shree Ram, Shriram, Sri Ram,

1 5663

A 3ph load of 10 KW is equal to how many KW of single phase .

1 5854

how do you tell if a avalanche button diode is a p or an

1 3466

I have iti elec, 1st aid, and 5 yrs experience in 7.5 mw power plant. Am i eligeble for 11kv license in telangana state..when, how to apply for that.?

2271

how can we judge the percentage of load on the basis of temperature differences readings between WTI and OTI in a transformer

Toshiba,

1 4980

What we change frequency from transformer. yes or no

Intas,

3 6918

What is induction motor

Indoco Remedies,

1 5233

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Un-Answered Questions { Electrical Engineering }

What are the advantages and disadvantages of negative feed back?

1096

List examples of voltage source?

980

If VFD is On but no starting commond on it. so how many outpout voltages of VFD

1119

Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

1595

Do u know any one? how to find out in motor rated amps? formula?

1976

How to calulate Locked rotor amper(LRA) for compressor type motors?

1730

what is integrated ac contact circuit

2023

How can maintain our H.T. motors used in cement plant. please send me procedure.

5111

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

1872

what is v/f control in VFD?

1501

if 6 earth pit value is 1.5 ohm then what should be the number of earth pit to make the value .8 ohm

2175

why the neutral line is not giving shock to us if we touch it ?

1728

my diploma certificate in my higher education college

1581

WHAT IS THE FUNCTION OF SHORT CIRCUIT MAINTENANCE CT

2413

A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.

1061

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