Electrical Engineering Interview Questions
Questions Answers Views Company eMail

when we decide to use soft starter drive or vfd drive in mcc to operate apump?

1537

What are the components ofan HT panel in a 11kv power station?

Reliance,

2 17864

From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

1526

how to set earth fault relay

1 3446

In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

1606

WHY R USE IN BRUSH IN THE MOTOR?

L&T,

6 7376

why PT transformer primary r the grounded?

L&T,

2 5430

why r use the wave taper in the substation ?

L&T,

2 4461

I want to know the principle of rotating flux transformer.

1 2906

why dc supply is given for excitation of ac alternator?how dc can produce flux?

5 6404

Where r use in Dc motor in power plant?

2 7002

How to work to the x'mer as a induction motor?

1 3173

how the specific fuel consumption of 320 kva deisel genarator set (explain with formulas please)?

RRB,

2 4995

Is there thumb rule to calculate how many Insulators to be used for Transmission line of different volatges

CS,

3 5293

what is the difference between isolator and circuit breaker

3 8649


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Un-Answered Questions { Electrical Engineering }

v/f drive basic princeple

1998


Name of the relay of low lub oil presuure in DG sets

1599


What is non-minimum phase transfer function?

644


what is the working process of over & under voltage relay.

1621


Is vtg is controlled by the resistor? if else how much?

1653






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2953


The shot circuit in any winding of transformer result? Explain

797


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1641


what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

1484


difference between high and low impedance BUS BAR relay??

1071


What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1379


How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?

1571


Name the component u would expect to find in a switchgear assembly?

1589


how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?

1656


There is any especial requirement for motor to drive through with VFD?

2178