Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what happen if the secondry winding of the transformer is having less no of turns compare to the primery winding.

2 4825

why the single phse machine can not run by the three phase supply.

2 5123

Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!

2100

what is the significance of positve n negative voltage regulation .on alternator

TCL,

1 5262

what is power ratio between star & delta connection of 3 phase induction motor

1 5060

why capacotors burnt out

GMR,

2 4687

which plant has high load factor

APTransco,

10 11625

power factor is max for which welding a.arc b.resistance c.gas

Bhel, HCL,

2 4610

What does impedance in the windings of transformer signify.

Johnson Controls,

2 6816

Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

1943

what is difference between vcb and mccb

APTransco,

4 7396

what is power?

1 4641

WHAT IS INERTIA,AND WAT IS TORQUE.

2205

how to calculate voltage drop and followed by cable calculation?is there avail in formula?

2069

An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

HAL,

2150

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Un-Answered Questions { Electrical Engineering }

Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above

1907

how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)

1986

What is the previous name of Cox's Bazar

1989

Why we use ups battery and dsdb battery in thermal power plant

2094

How to calculate the time setting for star connection in star delta starter? For example 10KW 3PH Induction motor.

2626

how to calculate the no load current in transformer?

2522

How to calculate the no of Ceiling fan (1200mm sweep) per unit area?

2079

define as synchronous generator

2144

distribution is maximum done by a)radial b)network c) parallel d)b & c

1946

plz tell me,ht and lt panel terminals in substations explain beiefly

2927

From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?

1786

how to calculation increase power factor for single phase

2296

what is the difference b/w UHVDC and HVDC(LIGHT)?

6777

please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com

2094

I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.

1922

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