Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why should we india maintain frequency of 50 Hz.

8 5207

what is the capacity of storing mass electricity.

1 1615

In a distribution system,having 3phases & 1 nuetral.ecah phase to neutral is 230V,line-line voltage is 440V,but what is the voltage of each line.but it should obey the KVL law.

2 2066




How can i calculate heat load ?

NSN, DSSR,

3 6661

why should we connect the no load components in a equivalent circuit of transformer in parallel?why cant it be in series.

3 3964

what is the working principale of air circuit breaker ?

5 5383

hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?

647

What is the meaning of Insulation H for transformers????

905




1.Defination of Graund earth and neutral 2.

8 5054

what is Ith current?

4 19145

Why current Transformer is rated by 100A/5A/5A?

3 4103

why measure the gravity in battery?

2 2567

define B types and C types in MCB ?

Bhel,

3 8128

1 tr is equal to how many Kw .is there any specific formula for this to get the result .

Cipla, NSN, LG,

12 100514

Can anybody tell abt concrete encased earthing or grounding?

714


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Un-Answered Questions { Electrical Engineering }

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

714


why we can stote dc? why we cant store ac?

782


If i=10+10sin314t then find the rms and average value of current with explain?

2450


how does a liquid starter reduce the starting currents?

676


why dc is used in control circuits for MV & LV switchgeras instead of ac

472






How will polarity test of Dy5 Transformer ?

922


I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership

336


how to decide choke rating for drive?

1004


I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

510


The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

761


HOW TO CALCULATE HV CABLE SIZING?

1682


in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?

922


how to differentiate a mpcb,mcb with a contactor? Explain their working operation

787


how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

796


Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

166