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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the formula of starting current of 3phase and 1 phase motor???

2331

why does fans rotate in anticlockwise direction?

1 4090

how to test a motor from megger

JSW,

5 10872

what is disadvantages of high power factor

4 16697

WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

Teil,

2227

how to set relay setting? and example calculation...

JSW,

2043

what is difference between vaccum circuit breaker and air circuit breaker?

2 5938

star delta starter contorl circuit... drawing..

2087

why the NGR (neutral grounding resistor) always OFF during DG off?

Bhel,

3479

how to check three phase motor torque value?

Apollo,

2371

how to read idmt curva

2288

what will happen if OLR CT in all phases are short circuted

Indfrag Limited,

2192

what effect will 10 milliampere current cause to human body ???

1 4246

why we use 3 phase in our country?..why no 4,5 or 2??

Siemens,

2 9842

Excat meaning of burden in only one word?

Bhel, DG Electricals,

3 6879


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the function of Moulded case circuit breaker, why it is called Moulded?

1552


how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical

2571


mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

1971


Why hydropower stations are preferred solution for meeting peak loads in grids?

1006


what is the difference between fault current ant short circuit current?

2702


what is feeder bay?

1597


In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

2031


how to electrically make connection to ferroli GN2N?

1943


HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

2097


how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

1361


What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

3022


how to calculation increase power factor for single phase

2296


Whether power factor should be high or low? Why?

1118


33kv Rated output avilable in market (any where in india)

2076


A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

3061