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 ?

1985

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 4760

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

4 23515

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

1 9630

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

1834

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,

2613

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

1 4650

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

RMSI,

5 10062

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

3 7444

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 7258

what will happen if neutal in AC ckt will get open

3 6181

What is DTR erection?

4014

What are the RGGVY, APDRP, RE?

3 10361

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

1989

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Un-Answered Questions { Electrical Engineering }

why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

2602

what is the IS foe lightning arrester?

2128

When and where resistance earthing is used ? How to calculate the time constant for earth fault

1770

When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

1233

how the speed of the gets motor regulated. does it draw the same current on the all speed level.

1955

What is I to C?

2105

what is ratio of copper wire size and current ?

1786

How can I model an open-delta ground transformer for a network supplied by 4 unit GTG and power transformer in ETAP?

13719

what is cathodic protaction?

1956

How can we calculate the motor frame sizes?

3376

Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

2164

what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

1940

Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

1013

What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

1948

Explain the following and how these are working with PLC Unit 1 I/O Module Card 2 Adaptor Card 3 Ribbon Adaptor 4 I/O bus 5 I/O Devices

1587

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