Electrical Engineering Interview Questions
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How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?


How to calculate the size of window A.C. for 200 Sq. ft room?

Voltas, UltraTech,

3 8574

Why A.C. capacity given in Ton. Ex. - 1.5 Ton

Samsung, UltraTech,

4 19365

how to set the time in digital timer ?


wat is the criteria we use the diff. relay ?

2 2461

role of europe union in UK safety legistlation (electrical safety)


How can I calculate the fault level of a transformer. 1. If fault is 3phase fault 2. If fault is 1phase fault 3. If fault is 2phase fault Dear all geniouses, can you help me by giving answer. If anybody want to send something then mail me at "msalam_shahin@yahoo.com"


what is MC 61 relay

2 12252

which pump is suitable for home use ?

3 3314

can we connect both delta and star to the transformer secondary and for what reason?

Power Grid,

5 5301

how you configure motorvision relay (L&T make)from DCS



what should we do when the CT secodary gets open? how do we short circuit it? using tester or screw driver? not dangerous?

6 4642

What is Earthing?


16 14775

how to match 0 -10V with 4 - 20mA

3 4854

please tell me the all the spcications of the 100MW 11KV HYDEL POWER PLANT SPECICATIONS


2 5368

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Un-Answered Questions { Electrical Engineering }

How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.


what is the working principle of energy saver control panel. please give the complete calculation & theory.


why the name trunking bus PT


what does a k rating in a transformer means?


what kind of technical test that i need to learn because i have an interview tomorrow.. please someone help me..


How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?


Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks


how are reversing the direction of rotation of dc motor


Make a list observation on Transformer?


How to Prepare preventive maintenance shedule of machine tool.


I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??


How to calculate the fuel consumption for 600kva DG genset which connecting with 25%load?


In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??


where are the circulat the diesel in DG parts name with pictue


How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts