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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

 1117

what is difference between line differential and transformer differential?

L&T,

1226

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,

1 1828

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

Cosma,

1014

why a single phase induction motor has poor power factor

 1148

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

Private,

2263

What is the relation between frequency and motor rpm?

 1326

why burdens of VTs is more than CTs?

 1328

what is the impedence

Al-Othman,

1 1981

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

Voltamp,

1394

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

 1234

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

 1055

what is the meaning of osr in transformer.

 1534

What is different between Circuit breaker and Isolater?

 1209

why genarator genarating voltage 11 KV?

 1298

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Un-Answered Questions { Electrical Engineering }

what will happen if OLR CT in all phases are short circuted

1667

What is transister define the transister ammiter ,base, colector.

1711

For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation

2669

What is expention fastener (Fan)

1544

I want the details about BHEL company examination.Can anyone able to help me please.

1583




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

2505

What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1545

what is electrical machines

2995

What is class ab operation?

621

What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

1892

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

1478

Determine a suitable number of slors and conductors per slot for the starter 1 winding of a 3 phase, 3300 V. SO Hz 300 rpm alternator. The diameter is 2.3 m

2326

How would you relate your key competencies to this position?

1738

what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?

1465

what you have to see after one week or month from the day of installation of transformer ?

1217

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