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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why the starting current in Induction Motor is very high as compared to normal rated current ????

Essar,

6 17259

What will happen if 60 Hz rated transformer is connected to the supply of 50 Hz say 415 V (3-phase) step up to 3.3 kV...?? ?

Essar,

2 7260

Sir, I m 3rd year student 4m DCE and want to do internship in siemens or l&t or any other mnc related to electrical engineering. please tell me the procedure 4 same and oblige me

1988

Is earthing done for AC or DC or both?

6 9683

HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT

2012

WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?

1985

what is diffrence b/w -48vdc and +48vdc ?

1 4417

Why current transformers are rated in BURDEN instead of VA?

Bhel,

4 10921

Can RCD's used to protect the VVVF drive if not why.

2157

Is possible to increase the voltage without using transformer? why?

9 16356

Though transformer consist winding which usually cause reactive power change in both generator and motor but it wont affect reactive power passing through transformer why?

Jindal, Reliance,

2 5419

what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

2072

What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?

2066

i have 2 motor of same rating. on no load condition one motor take 1.6A but other motor is taking 4.8A. what is the reason of this. please explain with proof.

Ambuja, UltraTech,

8 10765

In some countries it is found that an Earthing Transformer is connected at the LV sides of the Transmission and Distribution Substation Transformers.Actually what is the purpose the Earthing Transformer?

1 3946


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How to test IR testing & magnetic balance test

2004


What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)

2017


how can i get an electrical c-certificate?

2231


How shall i select the value of capacitor or inductor in a system?

1906


what is kvarh? Please define it With calculation General motors ?

1172


What is a signal flow graph?

1081


What is the comparison of PILC and XLPE cable

2150


Define the term factor of inertia.

2114


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

1904


What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?

2006


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

1998


in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

2241


What is CCM in Electrical ? where can we use this material?

1464


HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

1946


Is there a diode made that works with AC 120 volt 20 amp? If so can it completely stop all current flow in 1 direction at all times?

6733