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 2083kva AVR was tested, phase to ground shows continuity, what is the implications

1082

Types of circuit breaker

1 1913

Different types of relay fault which phase sequence??

946

If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.

1140

how to compare with Relay settings for HT< panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

1311

how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

1192

In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

855

how to revers the direction of single phase motor

1004

How much voltage we need to apply in 33kv cable during hipot test of cable

920

An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

1465

Slipring moter find external resistance

1 1604

tell me about your project

1 1697

Interchange 7 and 6 ,÷and× 36×7+4-7×3

1 1699

Why GRR starts from 60% of motor speed why not less than 60%?

1758

How to test transformer

1 1764

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Un-Answered Questions { Electrical Engineering }

sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

1988

i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

2202

How to set the relay,,??

2139

Rules and standards of electrical control wiring ?

1216

Explain the working principle of Synchronous Generator and Assynchronous generator?

2316

Can we Co-ordinate relay in Load Break switch?

2020

I Have 3 Phase 10 KW AC Alternator i found one phase weak, so what will be the reason & what action shouls i take to rectify the same.

2109

where reactive power is used

2103

What is the drawback of class b amplifier? How is this minimized?

1177

can any one know is sbi interview based on merit or based on roll number

2048

why does the magnetic balance tests at transformer?

1994

WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >

1964

what is the difference between Power and Distribution transformers ?

2213

What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

2103

How to calculate VCB rating for 33KV ,25 MW Power line?

1793

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