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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

KOTC,

1662

If auto trip is operated, can you close the breaker.

KSEB, L&T, Siemens,

2 3168

Why you are switching off arc protection mcb when you are taking shutdown for lv board.

KSEB, L&T, Siemens,

1697

Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

KSEB, L&T, Siemens,

1634

How you give clearance to a spare feeder.

KSEB, L&T, Siemens,

1697

How to put breaker in service / test position.

KSEB, L&T, Siemens,

1 3633

Operation of isolators.

KSEB, L&T, Siemens,

1894

Load transfer in 11kv double busbar switchgear - operation.

KSEB, L&T, Siemens,

1958

How to check the cable fault / hv test of transformer cable.

KSEB, L&T, Siemens,

1880

How to do maintenance of transformer feeder.

KSEB, L&T, Siemens,

1865

How to do maint. Of busbar.

KSEB, L&T, Siemens,

1 4324

Single line diagram for dbb (double bus bar)system.

KSEB, L&T, Siemens,

1946

Which type of arc protection devices used.

KSEB, L&T, Siemens,

2 4222

How earthing of switchgear system to be done.

KSEB, L&T, Siemens,

1932

What are options used for earthing the switchgear.

KSEB, L&T, Siemens,

1875


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the lifetime of a Thyristor? Is there a recommended lifetime for thyristors after which they should be replaced?

2711


how to select proper cable for ct wiring so that drop within the limit.

1974


What type interview questions ask in Electrical technicians

1796


How can find thermal state value in relay for calculate thermal overload.

1904


Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

1952


Explain the operation of grid connected central solar inverter ?

1538


What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

2930


why to use freewheeling diode ( diode in revers bias mode) across dc coil

5021


Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

1971


which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

2045


Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

1883


What are the applications of autotransformers?

1088


what will be d.g. capacity to cater together for 14hp A.C. load & 3kw lighting load

2001


What is the general power factor & min. power rating of TV,LCD type TV, CRt type TV, Scanner, printer?

2064


how harmonics generated in induction furnance? how minimise it?

2006