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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

can induction motor becomes as a generator. if yes how it is possible. if there is a squirrel cage rotor.

6 12103

I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

2111

how system fault level is calculated?

HCL,

1 6373

how braking & making capacity of circuit breaker is calculated?

1968

How the soft starter control the starting current in three phase squirrel cage AC Motor?

1 3443

What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

ABB,

5 10625

could anyone suggest project title

Engineering,

1 4167

What voltage is used in Directional earth fault relay? and why?

L&T,

5 11863

Why does inductor is connected to dc supply? or what is the role of an inductor when connected to DC source?

TCS, TRR,

3 10229

why ac generator ratings in kva only why not kw ????????????? ?

7 13357

tell me exact relation b/n voltage and current and which one is depend other

HAL,

7 8921

without any excitation we can strt any dc or ac moter?

Bhel,

6 12460

why transformer are rated in KVA not in watt?

DMRC, L&T, TCS,

7 17866

Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

Megatron Solutions, TCL,

2069

what is the distance maintained between the power and data cables with respect to the KVA .... plss give me the formula

1 4123


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?

2128


how to produsing geretor power

2157


How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter

7668


what is the mechanical safety of DG ?

2108


magnetizer priciple

2024


When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

2115


what is the minimum clearance between a 11KV 150KVAR capacitor cell and series reactor.can a series reactor can be mounted in the same structure of the capacitor cells structure

2169


pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

2009


How do you determine the size of transformer radiators in a transformer?

1898


According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor

1926


our industries ht line so power fluctation(once drop of power please rectify causes

2190


What is boucholz relay and the significance of it in to the trformer?

1099


Showing results for capital, machinery, stock,wages, carriage in words, salaries, factory rent, repairs, fuel and power, buildings, debtors, sales, purchases, creditors, return outwords, return inwords, drawings, discount allowed, discount receivable, office expenses, bills payable, bills receivable, cash in hand, cash at bank, office rent comes under debit or credit

1476


a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn

1503


1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

2153