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 is the meaning of floating point earthing in battery backed systems ?

1984

For household Load of 11Kw supplying 5Nos. 1.5 ton Air conditioners + usual other load what shall be rating of Either ELCB Or ELMCB? Which of the circuit breaker will be a better choice?

2 4757

How to model "IF ELSE" statement in matlab simulink?

4 23508

How to model "to find the cube root of the given number" in Matlab Simulink ?

1 9629

CAN CU XLPE/PVC CABLE BE USED INPLACE OF LOW NOISE SCREENED CABLE? KINDLY GIVE REASONS

1829

CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415

DEWA, Growth,

2608

how we can to the synchronization in transformer. What are the conditions for that.

1 4649

60 watt bulb and 1500watt iron which device has more resistance & why

RMSI,

5 10049

After synchronization with grid how to maintain the power factor in lagging or in leading? if lead of lag what is the problem?

3 7441

After synchronization with grid what is the demand value QKVAR and how we will maintain that?

2227

what role does a star point or neutral point play in a star connected system?

4 7251

what will happen if neutal in AC ckt will get open

3 6172

What is DTR erection?

4012

What are the RGGVY, APDRP, RE?

3 10354

What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act

1988

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Un-Answered Questions { Electrical Engineering }

what is reverse power relay brief explanation and in b/w where it is connected

1993

Can you explain about TEE protection scheme?

2234

What is Fire Panel ? How it works ?

2023

What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

1748

What is Traction? 1KVA Alternator, How much urrent taken?

2066

How to calculate MCB Breaking capacity.

1455

In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

1929

What is different bewteen low or high impedance busbar protection scheme

4081

What is the role of power pack in substation protection system?

2652

Define what is the function of anti-pumping in circuit breaker?

1273

UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

1885

I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

2064

I am inpecting a 10kVA UPS what tests should i do and should i observe?

2175

Why hydropower stations are preferred solution for meeting peak loads in grids?

961

defination of controlled shunt reactor

2205

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