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Electrical Engineering Interview Questions

What are the electrical engineer roles and responsibilities in chemical plant?

719

what is difference between line differential and transformer differential?

L&T,

781

As we know multiplicity factor derivation equation is as below MF = main c t ratio / main p t ratio * meter c t ratio / meter p t ratio * meter dial constant Where in digital meters for HT kwh import export now a days meter constant are calibrated already which is 1 So my question is For HT 11kv 110 v line values are as below Main c t and p t ratio are 11000 v and 110 v and 20/5 means 20 amp and 5 amp Now meter values are 11000/√3/110√3 and primary and secondary amp are displayed as -/5 amp on kwh meter so what will be the MF for this meter ?

NEPC,

1029

why cable i burning without tripping. how can protect led street lights

637

why a single phase induction motor has poor power factor

696

why ht cable end termination don't have a gland?

917

What is the relation between frequency and motor rpm?

891

why burdens of VTs is more than CTs?

813

what is the impedence

1090

what is difference between 9kv 5ka surge arrester and 9kv 10ka surge arrester.

840

what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

731

Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

620

what is the meaning of osr in transformer.

1070

What is different between Circuit breaker and Isolater?

746

why genarator genarating voltage 11 KV?

783

Un-Answered Questions { Electrical Engineering }

The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?

1027

to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

1006

WHICH SIZE A.B.CABLE IS USED FOR 11KV.

1271

What is milivolt dop test in Busducts? What is its significance & procedure to do the test?

1139

where was current transformer protection units used and why??

1088

What are the specifications for getting approval of Substation?

1010

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

1330

What is shunt voltage and u v voltage witch one best

870

During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

1009

What is the difference between electrical earthing and electrical grounding?

201

what is the constructional difference between a power transformer and potentian transformer?

854

How can we choose the rating of submersible motors

1744

What is DTR erection?

2912

What are the material used for inductance coil?

197

Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?

910