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

971

Types of circuit breaker

1 1758

Different types of relay fault which phase sequence??

852

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

1042

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

1193

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

1073

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

740

how to revers the direction of single phase motor

909

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

808

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.

1354

Slipring moter find external resistance

1 1421

tell me about your project

1 1556

Interchange 7 and 6 ,÷and× 36×7+4-7×3

1 1538

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

1631

How to test transformer

1 1612

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Un-Answered Questions { Electrical Engineering }

what is the maximum temperature rating of a thhn insulated conductor?

1776

What will happen if the d.c. Machine is operated below rated speed?

1173

Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

1645

I want to know Electrical Circuit?

2107

Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

1615

Parts of machine and their discription in details with suitable photo

1999

nwhat are the main Components of servo motor?

2020

which is the best institute for PLC,SCADA,DCS in hyderabad

2298

what is difference between elr and R eartl realy.

2584

What is the purpose of stand by earth fault protection for transformer ?

2020

whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

1525

What is the effect of pd controller on system performance?

1057

what is the breaking capacity and making capacity of circuit breaker and how

2066

what is a bus post insulator? explain its application in a substation.

12511

what are the advantages and disadvantages of oil filled cables over XLPE cables

19320

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