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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

A 3 phase motor, 440 voltage, induction motor. If we take out rotor from motor and if we give supply 440 volt to stator then what happens?????

20 22921

difference b/w bus bar and tie line?if possible explain with eg:

2 8641

what is a relation of energy in electromagetic field

1 3709

To avoid arcing what we connect in earthing.

HAL,

4 9914

At present how many HVDC lines are there in india

HAL, Infosys, KSEB, Kuntham,

18 88621

How many no of flip-flops are required to get 16 bit counter

HAL,

10 26139

HOW DO YOU PROVE THE HIGH VOLTAGE CABLES OR BUSBAR IS DEAD EVEN AFTER IT IS DE ENERGISED

6 14995

what happen for input voltage output voltage input current output current and kva if we increase primery winding in transformer?

1 4159

How we find the size of cable if we know the current

Gemscab,

2 22774

depending on what we can choose the rate of mccb considering that we know the total load

2 6543

What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

ABB,

2628

WHAT ARE THE DFT AND RMS MEASURMENTS PRINCIPLE IN NUMERICAL TECHNOLOGY OF POWER SYSTEM ?? WHICH IS BETTER IN WHICH QUANTITY MEASURNMENT??

1 17134

what are the types of Distribution transformer vector group please explain

7 23393

What is the acessaries distribution transformer ?

Bhel,

11 18387

why causes the burnt of AC Electrical Motor ?

9 38672

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Un-Answered Questions { Electrical Engineering }

what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

2937

what is the ground fault relay,which purpose it will be use,clearly tell me plz

2028

I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

1917

PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

1981

how braking & making capacity of circuit breaker is calculated?

1968

Explain Creepage Distance of Insulator

2168

Why transformer used in UPS??

1542

what is the use of piston rings in the engine used for a generator...........

2162

1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

2031

is that any software calculator to calculate the size of cable

2303

how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????

2351

How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

2054

sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"

1975

What is the difference between rated and per unit in transformer?

2148

What is difference between isolator and circuit breaker?

1088

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