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Engineering Interview Questions
Questions Answers Views Company eMail

how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

2883

how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.

 1453

What happen if in three phase 440 v , when you check voltage by testor it glows except one phase and in the same time when you check by multimeter it shows 440 v in any two phase.what will be the reason...

Greatship,

1 2862

how terminal voltage increases when load is capacitive (leading pf load)? (explain practically what is happening, not using phasor diagram

 1 3123

Utility company give the supply to customer in KVA but bill them for Watt.why?

L&T,

1 4361

what is difference between neutral and ground wire?

TCS,

2 4281

explanation of mesh bus bars

Eskom,

1679

TCD Principle

 1 4226

how many joint can done in HT line and what is life of the joint

Micro Labs, Reliance,

1749

how to reduce COD from plant waste water closed circulation system

 1 4140

how to improve recovery of product in packed tower(raising ring) recovery of vinyl acetate from VA+WO ( vinyl acetate +waste oil mixture)

 2009

L&T APFC Relay model etacon L8 fault: Initial power factor is 0.6 when capacitor is on, the value of power is getting down, please let me know the reason and rectification details.

 1 12445

why generator efficiency is more in swinburnes test?

1744

What is the difference in clamp on type and inline type ultrasonic flow transmitter.

 1 3361

Plz tell me...column and wall section drawing.

 1 4667

Un-Answered Questions { Engineering }

why we not used 11kva as a direct our electrnics component.

2339

2. What are the advantages of your present job, things you like about it?

2709

What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

1516

what is the difference between 2 way and 4 pole selector switch???

1867

CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)

1418




Why does a pure semiconductor behave like an insulator at absolute zero temperature?

660

What is screw,centrifugal and rotary type compressors,how it works and what is principle .

1528

Explain why an ordinary transistor is called bipolar.

567

For explain what vertical and horizontal plates are provide in a cro?

572

Difference between on line capacitor and Station type capacitor

1555

What is the working mechanism of OLTC in Power Transformers????

3889

To pcc 11 ft x 24 ft .How many bags of cement, sand and aggregate required? And for roofing how many cgi sheets required?

1497

wat should be the main steps for qualifying gate.

1435

hi i am rajini i want rrb previous question papers with answers can you tell please where i can get it

1704

Steam turbine (function an parts)

2457

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