Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what happen if the parallel generator phase angle shift by 1 degree in manual mode

EEEC, MEC,

1568

critical losses of transformer

EEEC,

3 5362

what efficiency at 70% loaded transformer

EEEC,

1 2093

PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL

1421

what is the difference between KW and KWh?

9 12928

what is rms value?

3 5500

does not the circulating current in a transformer affect the flux distribution in the transformer core

1 1575

How can i calculate knee point voltage of 800/5A Current transformer?please explain me with suitable calculation?

2 10151

how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids

1421

What is the function of restraining coil in differential relay? as well as restraining current?

Medical, Siemens,

8 43488

A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

4 10394

what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1 2075

what is the breakdown voltage value in BDV test in transformers?

Siva, TATA,

6 34574

how to connect the three phase capacitor in three phase star/delta connection motor?

1 5360

please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com

Jindal,

1638


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Un-Answered Questions { Electrical Engineering }

what is the basic need of domestic loads 1- voltage 2- current

1510


i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

1626


Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

784


Whether amorphous core transformer is available in India?.If available then up to what rating of voltage and KVA?.

1302


How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1522






If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

1844


Why cables and busbar both needed in LT Panels?

1742


what will happen when the dc supply is given to the capacitor?

1007


hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

1623


what is cascade speed control device?and how this device control the speed of motors?

1553


what is die electric strnth of transformer ?

1648


If we want to change a contactor of faulty one what are the conditions want to fullfil

1543


HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

1427


What do you mean by per capita requirement of electrical energy in india

1653


How to perform a DC resistance test In Alternator and their proceduces?

1072