Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What mean 150 amp hour write on battery.

Syncom,

1 2296

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

Microfine Industries,

1 3458

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

2 2190

On 400 amp factory load how kvarh capacitors provide

1267

Relation between pyramids and electrical technology?

1 1852

why did the BDV test in transformer?

Jindal Steel and Power,

2 2593

What is SFU why it is used

1 2168

Which motor has high starting torque

Greenko,

2 2907

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

5 4220

What is shunt voltage and u v voltage witch one best

SEL,

1278

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,

2051

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,

1480

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,

1604

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,

1306

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,

2114


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Un-Answered Questions { Electrical Engineering }

what is the most permissible winding temp when we conducting a generator load test?(condition no load)

1202


How to select HT/MV cable size ?

1974


how to select electronic timer(Star-Delta) setting for diff. rating motors

1434


What is the difference between DOL starter and star delta starter

558


For high frequency application we use which transformer?

1325






When color of silica gel will gets change from blue to pink from Top to bottom?

1095


How we calculate the size of ht cable for any transformer

1531


Explain the term parallel path in dc machin ?

1730


How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?

1353


what is mean by restructuring power system?

1522


Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (jet_0991@yahoo.com). (This is very urgent) Thank You,

1381


I want definition for ABT Meter (Availability Based tariff) ?

1496


What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

1391


model question paper for supervisor trainee

1576


Draw the line diagram of diffretial relay connected to transformer?

1947