Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

Hindustan Unilever Limited,

1380


what is stper motor.what is its uses

HCL, Bhel,

9 7036




In IDMT RELAY the term minimum (M) indicates what?

7 5505

why we can use 1 to 5V dc

653

What is the basic difference between earthing, ground and neutral?

Cognizant, Balco,

11 35771

When neutral is grounded in electrical circuit?

Balco,

9 5904

Where -48 volt DC use & why?????????

Indus Towers, Ericsson, Telecom, INDUS,

10 22166




how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

856

which motor gives constant speed?

7 4096

wat will be the pressure maintained inside the transformer?

2 2324

wat is the difference between rotor 1st stage fault and 2nd stage fault?

3 2566

which electrical supply used for long distance traction 1.1-ph 22kv a.c 50hz 2.2-ph 22kv a.c 50 hz 3.dc vtg 4.1-ph 22kv 150 jhz

Power Grid,

3 3086

What are instrument transformers?

6 5971

how can we calculate the reactence of the current transformers?

768


Post New Electrical Engineering Questions






Un-Answered Questions { Electrical Engineering }

what is the effect of higher value of GD???

549


I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

515


What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

698


brief notes on ammeters

743


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

1526






Can RCD's used to protect the VVVF drive if not why.

931


What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?

884


If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?

655


Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

708


hi, in the event earth grounding is not available in a project, is there any other way to make the elcb work? fyi, i have an instant water heater (6.5kw) installed, however if there is grounding in the heating element inside the heater assembly, i will get grounded. thank you in advance to those who will answer my question.

730


what is package substation.how many types they have

831


why do we not use equivalent voltage source in negative sequence equivalent ckt.

811


can i able to get bhel previous exam question paper?

885


please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

638


WHAT ARE THE CHARACTERISTICS OF AN VOLTAG AMPLIFIER

865