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Electrical Engineering Interview Questions

What mean 150 amp hour write on battery.

1613

_____hamari_____tumhari____ne dil ki_____utari. _____ne ____ dekha ashe ___ doshti ko lage na hamari.Complete pajal

1981

how we calculate electricity unit ( meter unit.. for knowing how many charges) from on motor load.?

1332

On 400 amp factory load how kvarh capacitors provide

821

Relation between pyramids and electrical technology?

1145

why did the BDV test in transformer?

1659

What is SFU why it is used

1372

Which motor has high starting torque

1857

what is the name of the oil is used in transformer?

2722

What is shunt voltage and u v voltage witch one best

SEL,

843

A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

VECL,

1163

With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

VECL,

967

Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

VECL,

940

A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.

VECL,

813

A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

BUET, VECL,

1341

Un-Answered Questions { Electrical Engineering }

I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

859

1.dg on load alarm/stop alarm... 2.dg on load. piu alarm alarm kaise chek krte hai

830

ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

2406

What is installed in PAC that is control the humidity

543

what is method for testing CT

1131

Mention the disadvantages of low power factor?

160

What is the meaning of loop in transformer

719

Define end float in a motor?

4964

Please define ohm’s law for a.c (alternating current)?

175

Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

1117

I have two PLC processors. I want to communicate both processor with each other. How i can do so?

1144

What is a differential amplifier? Also, explain cmrr.

192

wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?

1071

Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

220

What are the types of the glands and difference between single and double compression type of cable Glands.

1150