Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to calcute the cable size for both HT and LT please specify the formula for that Regards Chethan C

Bhel, Student,

783

What is the meaning of CT 40/5, 100/5 or in HT lines 100/1 ????????

Amex,

3 18586

how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?

1500




What is fuction of NGT/NGR using in Generator.

9 34094

How many types are using in 220kv/400 kv swith yard

1008

Can u tell me design of switch yard

NTPC,

900

How i can decide that HVDC line is best for transmission.

742

WHY FLEXI LINKS ARE USED INBETWEEN GENERATOR TERMINAL OUTPUT & BUS DUCT CONDUCTOR.

3 3178




why we r used APFC Panel in industrial area.when P.F. low then wat will be the effect in our system?

Piramal Healthcare, ABB, Zenith Engineering Corporation, Georgio Rocks,

10 31190

why we are used D.c. voltage in L.T.side or controling side.we can use UPS also ,in place d.c. voltage

ABB,

5 4759

why protection and metering CT's are always connected in star why not in delta?

Reliance,

5 8303

how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

757

If any one's require of phoenix contact like( relay , termilnal block , surge protection device ) , product please contect me 09878206357 chetan verma

812

where this neutral connection goes after returning from the load(home ,factory,industries).Is it grounded at the transformer side or atthe generator side .If it is grounded then we also ground the earth connection.is there any problem with this.

IOCL,

1 1028

why the difference arise between HT reading & LT reading (submeters fixed in complexes, apartments etc)if the power factos exceed from 0.9 to 1 can the ht meter reads fast?

1085


Post New Electrical Engineering Questions






Un-Answered Questions { Electrical Engineering }

what is diff btw electric,magnetic & eletromagnetic field

774


when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

891


why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

677


How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....

803


main difference between ac and dc?

435






previous year paper of ntpc bhel for degree in electrical enng

1975


What are IR values and what it should be for coil and for insulator

1756


on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

429


I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

379


define displacement & magnitude ?

655


how we find transformer capacity by ohm

907


what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

623


what is the role and fuction of automatic transfer switch in rotary ups

757


When color of silica gel will gets change from blue to pink from Top to bottom?

391


how to calculate micom relay earth falt time and current sertting

824