Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is difference between AC VVVF drive & Dc VVVF drive explain their working principle?

Apollo, OPS,

13 32693

why we step up voltage for reducing the loss, even if voltage and current are proportional anr resistance remains same

Sarhad University,

12 18321

how to select earthing conductor size of amy motor/panel etc.

Sony, VBB,

1 7651

How would we calculate the no of earthing pits required for motor /panel

National Engineering Industries, APGenco, Practical Viva Questions,

5 17971

send me the upsc conventional papers of 2006

Siemens, Juniper Networks,

1 1695

what is cogging and crawling

BMRCL, ABB, Siemens, Ashok Leyland, Bharat Bijlee, MN Dastur,

20 65600

for 500mw power production how many range of transformer set in unit please reply if three transformer use .

2 4331

What is power factof?


21 12093

What is auto transformer?

US Consulate, ABC, Transformers and Electricals,

28 42816

Why donot sleep below the tree for night time?

12 19015

could mail me the question papers for the test.


1 1784

What is Cement

ACC, L&T, Reliance Cement,

11 11027

why the generating voltage in India is 11kV or why is it be transmitted as multiples of 11

Bhel, ACC, ECI Engineering and Construction, NTPC, Senthur Power Services, SBL,

33 86273

why electric shock due to dc is dangerous than that of ac

44 38709

What is the difference between online ups and offline ups?

NIT, HCL, UBS, GMR, Electrical Tech, Indus Towers, Gravity India, Pyramid, Techno Electric and Engineering,

44 184618

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Control cables in S's will carry 1000v which is AC R DC? Pls answer meĀ 


why single phase to grd test in HV cable?why not 2 phase at a time?


what is the abbreviation for F.M In FM-200 fire suppression system


We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.


why the projects getting loss?


how can i reduce sparking without stepdowning the voltage


what is class of SPD and dittels of all class ?


how slip power recovery system work


Can you explain about Restricited earth fault protection scheme


What is online and offline ups? how does it works?


pre arcing time of ehv breaker


What are diffrent type of road taxes?


how to failure indution motor insulation & how to improve heat in motor insulation


What is the working principle of MIG welding? and its out put Voltage?


what is the setting of locked rotor in HT motor ? (answer expecting in percentage)