Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the current carring capacity of 0000SWG and 0SWG overhead solid bare copper conductor. If possible please provide reference for various sizes Vs current ratings

1 3246

On monitor it is written that current rating is 2.2 Amps. Is it a monitor current drawing capacity or CPU & monitor. If it is only monitor rating, what will be the rating of only CPU and what will be the power consumption rating of PC, Monitor & Scanner? In net, I learnt that computer consumes only 200-300W while running. With the current rating of 2.2 Amps, how it could be 200-300Watts. Please explain?

3 4997

What is the permissable nutral current of three phase system as per IS standards?

1762

For example, if I use Star delta transformer for distribution, Can I Connect 230 V lighting load bewteen secondary phase & primary neutarl. What will be the effect, if I connect in this manner?

2 4206

why rating of transformer is in KVA but of motor is in KW

4 8079

WHAT SHOULD BE THE RATING OF generator required to run a pump motor of 45 Kw.

Jauss Polymers,

1 3906

How earthing/grounding done in aeroplanes and ships.

3337

what will be the effect of leading power factor on turbogenerator (and system) that is running parallel with other TG.

1 3221

IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.

1816

what will happen if ac motor given dc supply?

1 4258

what will happen if dc motor given ac supply

Mahaveer,

11 39317

what will happen if transformer given dc input

5 8080

what will happen if field winding of Synchronous generators given ac supply

4 5837

what will happen if field winding supply of synch generator accidently got disconnected?

4 5066

why one pin of plug pin is longer than other two? In some mobile chargers one pin is made not conducting .Why?

4 5976


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Un-Answered Questions { Electrical Engineering }

draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it

2437


whether fibre optic cable in high voltage earth conductor is used for protection circuits

1360


Explain Energy and Power signals?

1504


why different series of vfds (like allenbradley)are used in industry ?

2031


In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

564


what are all types of cross section in AC cables?

2017


how many types control panel of a 132/33 kv substation

2406


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

1682


If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

2470


what is plunger and what's the use of it in motor alignment?

2243


What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?

1720


suri transmission

4474


How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

1873


how i can calculate the size for fire cable

1666


what will happen if ac and dc supplies given

1850