Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

if we increase frequency of line, then how will string efficiency varies with it.

2 13093

Dear all, Can anybody tell me that how to choose CT for a specific load? I have a 200kw induction motor, which ratio CT should be installed? Is there a formula or calculation that determines the CT ratio for a load? Regards.

2 6469

How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

2425

what is the difference between control transformer and Potential transformer (PT)?

1 4473

is 3-phase induction motor need a starter ? why do it so

Coca Cola,

5 8125

what is the use of the circle diagram

2 5609

what is TRCC

2 15637

How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?

2112

what is brushless generator?

Jk Tyres,

2 5324

Can we perform parallel operation of two transformers when one transformer on load?

3 5245

dear all, can any body explain that how to select an induction motor for a specific mechanical load(inertia). is there any formula or calculation then please give me. i shell be very thankful to all of you. Thank,s and Rgard,s.

1 3120

why secondary terminal of current transformer should not be open circuited?

ABB,

4 10504

In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

2 4244

Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

1862

which type of motor is used in lift ?

7 11187

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Un-Answered Questions { Electrical Engineering }

I am EEE student i want to improve my core side skills.how cn i approach it?

2520

sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

2173

Define stepper motor. What is the use of stepper motor?

1228

how to calculation increase capacitor,increase power factor for three phase.

2179

What’s electric traction?

1139

What is gross error?

1138

How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

1887

In parallel operation time both NGR’s close or not close if both close what will happen

3731

How grounding is different than earthings?

1165

In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is

1076

why to use freewheeling diode ( diode in revers bias mode) across dc coil

5021

why current is constant on d.c?

2090

What is slip in an induction motor?

1156

What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

1144

what is deffrence between squirral cage and wound rotor in IM?

1970

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