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DLF Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are the difference between C-Curve and D-Curve for MCB's.

 17 177071

Why the generator rating in kva

 32 89051

what are the differences between MCB and MCCB ?

 19 31830

what should be the air clearence between phase to phase, phase to earth in Medium voltage switchgear for 3.3kv,6.6kv,11kv,22kv and 33kv? Which is to be referred for this?

 1 5778

in elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)

 1 8575




I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.

 41 394860

Why use the VCB at High Transmission System ? Why can't use ACB? Pls explain the ans.

 5 15608

HOW DO I CALCULATE OVER LOAD RELAY & CONTACTOR IN DOL STARTER? & in dol why it is require circuit breaker?

 6 17638

What is an Air COmpressor

 1257

If single phase having 220v so why 3phase is440v.

 7 19446

why Batteries & Battery chargers are used in substation? what is the different between UPS & battery charger?

 4 45597

what is the harmonics.

 3 3381

what is the difference between earth and neutral.

 9 7409

What is the function of UV coil ACB?

 6 36902

How much KVAr bank reqired for 630 KVA transformer on full load for maintain power factor upto.99

 4 11744

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DLF Electrical Engineering Interview Questions


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