Engineering Interview Questions
Questions Answers Views Company eMail

We have a 1275KVA existing Transformer in a power plant project. Customer want to get it test & confirm whether it is a Dyn1 Transformer or not. Pleae let me know how to test it.

Allied Group,

1 3170

why Transformers power mentioned in KVA?. and why Generators and Motors power mentioned in KW?.

10 11910

What is the actual calculation for transformer short circuit test?.

1977

What is the purpose of Rotor earth fault relay and How to test the Rotor earth fault relay in generators and What is the procedure?.

1 3539

we have read that when the piston goes up and down then the engine works i.e. the suction,compression etc etc. then what happens in the case of big vehicles, which start at stable condition, i.e. how does their piston moves when they are at rest. how suction,compression etc

Bhel,

5 6007

why there is no current in the rotor body althrough the flux linking with it also get changes. why current only flows in windinds not in rotor

Vedanta,

1 4561

why we use condenser in the thermal power plant, althrough the same vapour will be again heated

Bhel,

1664

what is work of planning deptt. in any construction compny (in road project)

bscpl,

1879

what is workmanship.

1 2523

Types of pile, which should be prefer in sandy soil

3 5798

Why motor is not calculated in kva, whereas transormers are calculated in kva

2 4434

WHEN SINGLE PHASE SUPPLY AS 220V, WHY THE 3 PHASE- 4 WIRE MEASURED AS 440 VOLTS INSTEAD OF 660 VOLTS (220 VOLTS PER PHASE i.e 220x3 = 660 volts ).

1 5571

What is the difference between Split ring and slip ring?

8 34758

we specify current in case of feeder but in case of distributor voltage, why?

1377

In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

1523


Un-Answered Questions { Engineering }

Pl send the model question paper of mahagenco account officer post

2249


How do you address environmental and sustainability concerns in aeronautical engineering, such as reducing carbon emissions from aircraft?

112


significance of specific surface area of particles?

1789


Explain working of a fourneyron turbine?

651


What are the symptoms of broke piston ring?

4068






Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

1590


What is the difference between air conditioning and refrigeration?

612


What is rolling stock

1889


What is the per cu. mt. price of ready mix in Gujarat region.?

1786


Is there a handy way to determine if a horizontal pipe is running full if the flow rate is known?

583


I am completed diploma in mechanical in 2002, i have 5year experience in materials (purchase) dept,i want to do SAP cource in MM module, i want to know can i complete SAP after diploma cource only, is it usefull to me for further Job opening.

1639


Define load factor?

640


how to calculate the density for high density concrete ? or is it same as the density of RC?

1874


what are the activities to be done after a steam turbine trips?

2174


orifice sizing how done, checking & selection

1389