Electrical Engineering Interview Questions
Questions Answers Views Company eMail

any calculation method for decide cable size for current?

1 4268

how we select fuse rating for motor?

6 13457

which safety we have to take when we go for work?

2 2934

what is range ACB

11 13975

in electrical fire which group fier Extinguisher as used

6 6313

what is ph test in coolent cheking

2 3890

When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

Sail, TCS,

2 5356

why is a avtomatic voltage regulator used for?

5 5543

Detailed working of a diesel generator set ?

Airtel, Honda, Kirloskar,

1 3391

Construction of Diesel generator set?

1 12452

I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

1551

how Practicaly reduce stating current of the motor

2 4233

what do you mean by star connection?

Denver, Satyam,

4 10078

what is the chiller and working principal

Blue Star,

1853

What is the effect of leading power factor for power transformer & D.G?

Exide,

7 21987


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Un-Answered Questions { Electrical Engineering }

what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

1633


if sf6 gas low in gis what will happen

372


how many electricity poles are there and what are the names and their sizes.

1423


how you will decide the distance between the power transformer and its fencing

1449


if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

1124






How to check the Bushings of the transformer?

1255


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

2215


Mention what are the different colors on wires indicates?

740


working principle of AC Servo Motor with its construction

8323


What is the working principle of MIG welding? and its out put Voltage?

2718


What is depreciation factor?

1758


How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted

1133


I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

1467


Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

1782


How two nos. 130 kw D.C motor get synchronise using D.C drive.

1570