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 23630

why the generator efficiency is greator than motor?

4 15509

Wheather there exist any dc transformer

6 10834

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

2070

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

NTPC,

11 23982

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

Powergear,

1975

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

Hitech, Reliance,

1 12471

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

Reliance,

1 4126

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,

2191

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

2131

DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT

5603

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

2313

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

3 11285

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

1 10392

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

3 20616

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Un-Answered Questions { Electrical Engineering }

please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

1918

Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

2464

I want formula to calculate cable size as per load given in length & amp. I searched many sites but didn't right answer. Please reply me asap.

1522

what will happen if synchronous machine rotor fed from single phase ac supply

1804

where we use the SFU & FSU?

2473

what are the main applications of transistor in non-linear region?

2130

What is current divider rule (cdr)?

1396

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1800

What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!

2514

What are motor generator sets and explain the different ways the motor generator set can be used ?

1241

Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

1490

How to select a cable size for particular load?

1884

what types of cable used in underground coal mining?

1536

State kirchoff current law?

1157

how brushed dc motor operating ?

1942

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