Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What happens when generator is running with leading power factor on it say -0.96. what are the effects of it on alternator and the other generators operating in parallel to it.

2 5125

what is the exact meaning of power

SKB,

1 2176

why choke is provided in the centre of the tube light?

3 4959

I want to give Power supply to a house from the Feeder, Total Load of the House is 128 KW, how to calculate cable size for this load ?

5 10008

what are the problems that generally occur in power flows??

1 2601

what is the principle of generator , induction motor,d.c motor

1 3338

WHAT IS FORMULA TO KNOW TO BACKUP TIME OF POWER PLANT 48V/50AMP DELTA POWER PLANT

1 2962

how can we design robots

Maruti Suzuki,

1485

what is the maximum demand how it is defined

1 3042

what is the preventing maintenance of transformer

1 3939

what is polarity in ac system? and how do identified?

1 1924

for same rating of a transformer and induction motor which one will have higher magnetising current flowing?

2 3553

TYPES OF TEMPERING OF ENERGY METER

1 5806

DIFFERENC BETWEEN VOLTAGE AND CURRENT

Wipro,

1 4084

WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1494


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Un-Answered Questions { Electrical Engineering }

1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating

1263


how to calculate the formula of cable size if motor kw is given

1729


The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.

1539


how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.

1504


How does an induction motor start?

781






how load of a turbo generator can be increased

1493


in india per day how much power is generated including all power station

1500


what is the difference between gas group b and gas group c electrical equipment construction wise?

1426


what are the reasons of CT circuit faulty in busbar protection scheme?

999


What is the formula for calculating no-load current?

680


What was the Dg set radiator and lube oil temperatures trip in ACB

1383


WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

3194


FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

3001


What will be the diameter of pipe between conservation tank and transformer

1499


What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr

682