Electrical Engineering Interview Questions
Questions Answers Views Company eMail

when we supply in primary side of transformer then the supply goes in secondary side?how it works?

4 2727

how to protect motor in dol starter having capacity of 30 hp.40 hp?

1992

what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

628




howmuch current can carry the 2.5Sqmm copper cable?

42 72926

what is mutual induction principle?

6 34076

What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

HAL,

831

What is the difference btwn grounding and earthing?

HAL,

11 8227

Whats the principle of lightning? How protection against lightning is achieved? Types of protection? How to select the height of lightning spike? as per the area.

HAL,

4 7722




what is the differance of acb and mcb and mccb

MacAir, MDS,

12 23806

what is the function of a commutator in a dc generator?

TCS, NTPC, College School Exams Tests,

14 59978

how we are measuring the winding temperature of the transformer?

11 25367

prefer any good electrical engineering book.....it should be useful in the practical fied?

1 7532

How to test Power Transfomer vector group in the field?

Al-Yamama,

3 4082

how will u exactly calculate the unit consumption of the Air conditioners?Split/Window/

3 4390

what is Touch and Step voltages

Pinnacle,

1 2241


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Un-Answered Questions { Electrical Engineering }

I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

580


HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

529


Difference between On Line capacitor and Station Type capacitor.

762


condition Autotrip facia come on control panel of electrical transmission line?

198


What kind of preventive maintenance are there for AC induction motor?

1200






is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.

506


what is resver in electrical enginnering with answer

161


H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....

565


A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____

896


sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"

592


why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?

465


What is A check, B check, C Check & D check for a diesel Generat

735


how the CT and PT is connected in the circuit during testing of transformer explain with diagram

747


difrent between vcb acb sf6 and mccb breakers

3073


why EMF IS INDUCED IN A CONDUCTOR WHEN FLUX LINKING WITH IT CHANGES ACCORDING TO FARADAYS LAW.

675