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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 3964

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

10 14517

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

2469

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 4416

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 7580

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 5416

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

Bhel,

2164

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

bscpl,

2454

what is workmanship.

1 3232

Types of pile, which should be prefer in sandy soil

3 7065

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

2 5373

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 6373

What is the difference between Split ring and slip ring?

8 37402

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

1815

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?

1979


Un-Answered Questions { Engineering }

Difference between turbocharging and supercharging in diesel engines?

1489


Explain how do I interpret water vapor imagery?

764


What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

2683


v/f drive basic princeple

2481


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

2197


How we make bend & diffuser from any pipe (it's equation)& how we mark in pipe....

1852


which technology use in bikes

2023


Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

2123


Explain the reasons of removal of particles from effluent gas?

998


why screw compressor use for ammonia compression?

2103


What should be the percentage increase in length of the dead end clamp for bus bar conductor (Hawthorn) after hydraulic pressing and what should be the applied pressure?

1942


When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is

1139


the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

2084


what is the calculation formula for motor starting torque,running torque, running torque.

1694


Dear sir   i complete my BE marine wit 75% in 2012 But still i can`t able to job so i decided leave the search job related marine please guide me ...................

1983