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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why the arms of delta in a delta-wye power transmission system are kept constant??

1872

What are the test performed on A faulty transformer ?

Bhel,

2 5865

In generally how many earthing required for power

4 6935

why is the transmission voltage is multiple of 11?

HAL,

1 5321

why is the transmission voltage is multiple of 11?

4 7480

Why don't we use ground free electricity to avoid electric shock.As birds are do not get shock.

3 5482

what is difference between neutral and earth

HP,

5 9877

why we maintain 50hz ,220volts,20Amp,ratings fixed every where in india,,electricity

1 4722

why in US MAINTAIN 60hz,110volts when compared with 50hz,220v in india

2 5604

How to measure the capacity/rating of a distribution transformer in KVA?

2112

is the secondary voltage of current transformer greater than primary voltage,,,,,,,,] give the example with ct burden,current ratio,and primary and secondary side voltage?

2 5439

why ohms law does not obey semi-conducters?

2 15114

What is the range of efficiency of thermal or steam power plants? Why it is so low?

2 8301

What value(high/low) of diversity factor is desired in power system and why? How such value is achieved?

1 10132

What is Co-generation in the context of electrical power systems?

1 3676


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent

2050


A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

2434


why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

1866


What is open delta Xformer? It's adavntages & Use?

2232


hi frds, i m electrical engineer.can i get cdr for electrical engineer if u have then send me on my mail id its jayesh_ee88@yahoo.com.please help me frds

2194


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

1532


List out the different frequency domain specifications?

1235


what happen when power factor of 2 parallely operated transformer become equle?

2208


What do you mean by a current transformer?

1093


Explain what is use of lockout relay in ht voltage?

1080


if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

1666


If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?

2201


how can maintaince the acb contactor moveing and fixing kit

2078


How to checked frequency drive output voltages?

1197


What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?

2025