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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why fault current time duration is calculated for 1 minutes?

Rockfort Engineering,

1 2393

why fault current always calculated for 1 seconds?

Coca Cola,

3 5112

what is the difference between ac motor and dc generator

ETA,

1857

What is the use of Gateway RTU like ABB RTU 560 in power plant, SAS system ?

ABB,

1 3194

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

Surana,

1943

if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

Power Plant,

1750

what is the Transmission line differential protection and why differential protection also have backup Line Distance Protection ?

1 2638

Which cable is use for rtcc control panel

1764

impliment (AB)`+C to transistor representation

Ascent,

1838

I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership

1698

how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

1743

To generate electricity , what is the speed of rotor?

JEC,

1 3271

why we use 630mm single core cable for transformer secondary side and why two neutral cable

Technicare,

1843

What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

DAE,

1648

WHAT is the no of starts/hr for 3.3 KV, 300 KW motor. Motor is vertical flange type.

DAE, Siemens,

1 3546


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

1879


Pl. give me checklist for installation & commissioning of machine tool.

2305


sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

2174


design of IGBT firing circuit for 11KV

2642


Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

2032


please send me previous year questions of jspl through which i could prepare myself for the test.

1874


What is step signal?

1049


What is the drawback of class b amplifier?

1171


sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

3975


What is the lower limit of break-down voltage of converter transformer.

1911


what is the difference between electrical choke and electronic choke?

2516


in non technical way how can u define POWER FACTOR??

1826


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1806


Differenciate between circuit wiring and sub main wiring with illustrations

2251


I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....

2080