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Electrical Engineering Interview Questions
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A 2083kva AVR was tested, phase to ground shows continuity, what is the implications

 290

Types of circuit breaker

 1 469

Different types of relay fault which phase sequence??

 230

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

 298

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

 244

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

 228

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

 131

how to revers the direction of single phase motor

 142

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

 173

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.

 194

Slipring moter find external resistance

 1 227

tell me about your project

 1 217

Interchange 7 and 6 ,÷and× 36×7+4-7×3

 1 218

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

 216

How to test transformer

 1 239

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Un-Answered Questions { Electrical Engineering }

How to calculate per unit impedance of transformer?

1366

Define availability (operational)?

461

Load break swicth maintenance procedure.

1133

how to find Harmonics and types as per the equipemnts

510

placement paper samples of mspl company

1287




whats the existence of reactive power and when it arises?

1441

Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

1316

HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

1350

Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

1969

How to calculate Temp from Resister from PT100 equation,

967

What is the difference between voltages or potential difference? And what are they?

460

i need mat lab program to find out the transmission line losses,regulation and losses

1244

What are dcs and plc?

495

Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

1264

Classify milling machines.

472

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