Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

1611

What are the tests to be done on circuit breaker?

1 3146

Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

1650

new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection

1338

How to calculate the current carrying capacity of sized cables, and there is any formula. please send to 'than.achu@yahoo.com'

Blue Star,

1 2390

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

Wipro,

1552

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

3 4086

i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

TNEB Tamil Nadu Electricity Board,

1672

what are inherent currents?

Sail,

1546

How to calculate the value of capacitance of a capacitor used in power factor improvement plant if we know KVAR and voltages?

1 2817

For a load of 40HP induction motor.what will be size of Armoured copper cable require to connect the motor to starter in Star-Delta?

CG,

1 4385

what is the disadvantage of lagging power factor & why ?

2 4713

one electromagnet is called

1405

Why transformer rating in KVA? describe.

5 6329

What is sequence network? Discuss all three types of sequence network.

1 2867


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how to calculate the earth mat design in 132 kv substation yard ????

5697


Why do we avoid electrical conduits in floors at apartments?

1604


Why HT 11 KV Slipring Motors are connected in star ?

1740


What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

1604


can u describe the method used for protection of transmission line.

1594






Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

1254


How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

1175


what does mean of RCT and STR in diffrential CT?

3742


what is lumped and distributed elements?

1518


How to distinguish whether MCB is DC or AC looking at it physically

1499


electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

1917


While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens

1558


What are the function of different components of servo motor?

1533


How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva

1168


How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?

1676