Electrical Engineering Interview Questions
Questions Answers Views Company eMail

name the famous power plants present in A.P

Power Grid,

1 1033

Form fator is the ratio of?

5 6154

what is meant by bus bar and outgoing/incoming breaker in an electrical/electronic circuit

3 11580




WHAT IS MEANT BY SYNCHRONISING IN GENSETS

5 4871

Distribution Transformer are connected in configuration? a. Star/delta b. delta/star c. star/star d. delta/delta

Maruti Suzuki, IPR,

7 8228

the power loss in an overloaded line is mainly due to? a. resistance b. capacitance d. inductance d. none

4 3053

voltage at generation stage is usually- ? a.11kv b.33kv c.66kv d.220kv

12 12992

resistance switching is used in case of- ? a. air blast CB b. bulk oil CB c. minimum oil CB d. all types of CB

SSC, HCL,

4 8481




campared to ac, in dc corona loss is

DRDO,

4 6463

In a single phase converter, the no. of SCR conducting during overlap? a.1 b.2 c. 3 d. 4

2 4262

In a three-phase full converter, output voltage pulsates at frequency of a. f b. 2f c. 3f d. 6f

2 3396

In a three-phase full converter, every SCR conducts for a.60deg. b. 120deg. C.180deg. d.90deg

3 3675

In which connection the distribution T/F is connected? a) ▲ / Y b) Y / ▲ c) ▲ / ▲ d) Y / Y

4 3809

Comparing to AC transmission, corona & R in DC transmission is……. a) lower b) higher c) same

3 3334

To transmit the Power which must be present…? a) Reactance b) Resistance c) Capacitance d) none of above

ABC,

9 4574


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Un-Answered Questions { Electrical Engineering }

in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

1080


If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

1376


are there rmu for 3 transformer?

595


WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

875


how to calculate fault level?

745






Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

662


What do you mean by cogeneration? What its working principle?

1921


In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

2036


we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

670


Wt is the function of reactive power? How it generates & consume though resultant is zero?

716


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

1273


xfhnchncv?

625


in science exhibition how lamp can blink when you clap near the lamp ? thank you

694


Why High voltage are generate noise ?

159


what is mind in cable

791