Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what are the effects when the frequency is decreased in any ac machine

1 3102

what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?

1934

Is there any type of starter for DC motor other than two point,Three point and Four point starters?

1648

What is the Diesel consumption between 82KVA DG Set and 180KVA DG Set for 1 hour.

1 3168

Whether we used insulated line for 33KV supply. what we called it.

1 3156

Why we use 2core cable for Dc motor.Can I use 3core?

JK Paper, Maharaja Whiteline,

5 7018

what is closing resistor in circuit breaker? why it used?

3 15799

HI FRIENDS,MYSELF & MY GROUP OF FINAL YEAR ELECT ENGG. ARE MAKING A 50/3HZ,5HP,1000RPM,440V SALIENT POLE SYNCHRONOUS GENERATOR.COULD ANYONE OF U TELL ME WHAT COULD BE THE ADV. & DISADVANTAGES OF MAKING SUCH A LOW FREQN.GENERATOR/

2 3519

why cannot we use a freuency more than 400hz is used in aircrafts?

1 3404

what is charger supervision and control supervision?

1514

what is Over current, earth fault (O/C+E/F) ?

2 5781

what is differentila pilot supervision in the incomer control panel in the power station?

1621

what is the use of surge suppresser in 33 KV incoming panel. where it must be installed,inseries with incoming cable surge suppresser must be at incoming of the breaker are outgoing of the breaker

Siemens,

1 4533

How will polarity test of Dy5 Transformer ?

1777

Can i use to 3 phase 4 wire energy meter inplace of 3 phase 3 wire energy meter ?

4 5771


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Un-Answered Questions { Electrical Engineering }

are there rmu for 3 transformer?

1415


What are the function of different components of servo motor?

1550


Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).

2297


What are the material used for resistor?

621


How generating electric power export to grid from the generating station ?

1401






why we are using earth pit in sub stations.?

1552


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

1541


What is the meaning of loop in transformer

1187


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

1184


what are the different methods for the starting of a synchronous motor.

631


in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know

1356


What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

3042


what is the breaking capacity and making capacity of circuit breaker and how

1583


sir plz send some previous year questions of jspl.

1471


I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

1404