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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

2022

how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1929

How you calculating the current for a 2.5 Sqmm cable. A 30 Hp 3 phase AC motor of power what size of cable is used for this motor.

Siemens,

7 24203

What is the difference between Ceiling Fan armature and Tablefan Armature or winding.

Pricol,

5 10816

If we connect capacitor in series DC supply so what happened?

4 9894

if we supply DC power to AC transformer then what its result?

15 17253

can d.c.transformer exist? if yes then what its max. rating?

6 8458

give me atleast four differences between circuit and network

2140

how to calculate the cable size

3 7017

why motor burns ?

5 9374

What is correction factor in Tan delta test?

1 8773

effect of single phase transformer on full load current?

2 4827

What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

5 7328

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

Adama University,

4 7074

figure of phasor diagram of transformer when full load or no load ?

Swastik, TCS,

1 11833

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is lumped and distributed elements?

1904

formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?

2158

What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

1992

what is the carona effects meaning in HT line transmmission system

1949

Is there any guideline say about display of earthing value near to earth pit

1161

dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

2313

how to calculate the loss tangent of electrical cables

2021

what is transistors comprised of?

1098

State the formula for overall efficiency of thermal power station

2991

a starter used for squirrel cage induction motor?

1650

how to select correct size of power cable for inverter duty motor

1519

1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

11079

regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

2002

Air circuit breaker safety

1357

What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.

3535

For More Un-Answered { Electrical Engineering } Questions Click Here