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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why do we use magnetic contactors ?circuit breakers are not enough?

5 23425

why the generator efficiency is greator than motor?

4 15340

Wheather there exist any dc transformer

6 10607

wheather the size of windings in motor and generator are the same

2020

how the inductor will work on dc supply?whether it will work or not?

NTPC,

11 23495

please give me solution to rectify the emi(electromagnetic interference)

Powergear,

1909

What are the different pre-commissioning tests that are performed on the distribution transformer, power cable and switchgear (11kv)?

Hitech, Reliance,

1 12344

Tell the details of the precommissioning tests that are performed on distribution transformer, power cable and switchgear (11kv).

Reliance,

1 4019

Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me

Sail,

2132

DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

2074

DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT

5537

EXPLAIN THE ESSENTIAL FACTORS WHICH INFLUENCES THE CHOICE OF SITE FOR A HYDRO ELECTRIC POWER PLANT

2251

Hy the hydro power stations have high transmission and Distribution costs?

3 11113

HOW DO WE COLLECT THE SOLAR ENERGY AND DESCRIBE THE METHODS TO CONVERT THE SOLAR ENERGY INTO ELECTRICAL ENERGY?

1 10308

WHY IS THE UNITY POWER FACTOR NOT THE MOST CONOMICAL POWER FACTOR?

3 20402

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Un-Answered Questions { Electrical Engineering }

Why is ignitor used in sodium vapour lamp

3560

How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?

2153

armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

2071

Why in ESP Positive earthed

3079

What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1786

why the NGR (neutral grounding resistor) always OFF during DG off?

3478

hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why

1893

what is harmonics? what are the factors it will depend upon

2027

When MICC cables used ?

2084

I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??

1950

how test transfomer(3 phase75kva) by megger

2120

Draw a SLD of DG distribution up to main LT panel?

9485

how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

4585

12.5 tons a/c is their how much kva generator can recommend to the customer.

2030

The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition

1897

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