Electrical Engineering Interview Questions
Questions Answers Views Company eMail

If a air condition consume 2.50 to 3.00 amp then how much it will consume in watts if it is running 10 hours out of 24 hours????

1436

If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

Kirloskar,

1672

How to conduct a Hipot test on a 11KV cable?

2 20220

in ct secondary one terminal is connected to earth why?

1 2065

what is Different between Bilinear and Unilenier?

ABB,

1638

why Transformer and DG rating capacity is in KVA

ACC,

4 10072

what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

1603

which type of motor we are using in local train???

Asia MotorWorks AMW,

4 9997

What it the purpose of parallel phasing transfomers??

Asia MotorWorks AMW,

1500

Why the suply frequency in INDIA is 50HZ

HCL,

2 4317

What is the power ratio between power in Star and Delta circuit?

3 3680

What is the difference between earth and neutral

3 5240

What is the difference between Earthing & grounding

4 7245

Why the suply frequency in INDIA is 50HZ

HCL,

5 7340

If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

1731


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Un-Answered Questions { Electrical Engineering }

what's producer of XLPE cable laying in undergroung

1647


What are the types of class b amplifier?

590


Explain the method to keep noises low in a control system?

639


We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?

4473


why we not used 11kva as a direct our electrnics component.

2327






why and how current drawn by battery charger depends upon the altitude where it is located?

1557


Difference between Earthing Truck & Earthing trolly for HT panel

3792


Why do we perform an open-circuit test and short-circuit test on the transformer?

615


How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1433


what is gas turbine intercooling ?

1602


What is the meaning of Insulation H for transformers????

1600


Which of the following alternatives will be cheaper (1) A 100 h.p AC, 3-phase motor (2) Four motors of 25 h.p each (3) Five motors of 20 h.p each (4) 10 motors of 10 h.p each explain

2503


why would amp draw on neutral wire be as much as amp draw on the hot leg.

1630


what is rocking arrangement in arc heating

1673


what is servo motor and how to work it.

1450