Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the function of buchhos rely in transformer

5 4979

what is the function of conservater in transformer

3 9495

what is the function of cooling tubes in transformer

4 17275




kindly tell me how the load on generator increase by just increasing the fuel of prime mover, as if for exampple 20 MW gen set is synchronized the load ramps from zero to 20 MW gradully and during this procress only fuel of prime mover increases. Which thing determines the load on generator with respect to fuel

Birla,

4 12081

Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

796

Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

1073

Differenciate between circuit wiring and sub main wiring with illustrations

MU,

1065

3. What is Impedance Voltage in Transformer?

L&T, Torrent Power, KESC,

16 94835




5. What is PMG in Alternators?

L&T,

11 36552

Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

1062

why are you interested in joining in core company instead of joing in software company

11 18777

how to test vector groups in transformer differential relay.

1 2098

Is it true that IPT are more accurate than CVT for Measuring purpose?

2 2552

is emf is indued if dc is passed through coil

5 4100

why transformer not work in dc

16 21267


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Un-Answered Questions { Electrical Engineering }

Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?

735


my diploma certificate in my higher education college

458


where is the need for short circuit test for 3 see is required and why? can you explain in brief with application

734


how to calculate single phase motor efficiency ?

835


How to size fuse? How to size MCB?

277






What is the main purpose of c.f.b.c.boiler

591


any idea abt REVERSE METERING concept.........?

959


What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

842


how many electricity poles are there and what are the names and their sizes.

732


prove that power consumed in 3 phase delta system is 3 times as compared to 3 phase star system

1062


How to measure power in 2 or 4 or n phase circuit? Please give me a formula.

772


Can anyone explain me about the capacitor calculation

861


whats the application of voltage regulation? and whats the voltage regulation's device?

722


What is the main cause of magnetism?

840


Type of motor stater detail and working detail

525