Engineering Interview Questions
Questions Answers Views Company eMail

what is anti-pumping relay and the significance of it in a switcgear cb control system?

1 3900

sir i have applied for ntpc and engineers india can u suggest some books which have one words.

1372

What is mean by powerfactor. What is the difference between leading and lagging power factor?

HCL,

2 8053

what is the difference between active power and reactive power and apparant power in practical as well as theoritical

1447

why celing fan is running in anti clock wise and table fan is running in clock wised?

Ambuja, Infosys, MAHINDRA,

2 5996

hai friends please send me the previous question ntpc questions both tecnical and apptitude papers for my mail. and also post me the areas in which u have faced difficulties that might help ful to me. so please send the answer to my question. my mail id is sweety4834u@gmail.com

1514

if u have question papers/sample papers of any of PSUs,plz send me at dinesh.pandey3@gmail.com

1522

Who is the inventor of the Automatic Voltage Regulator?

2 8359

CAN ANYBODY PL TELL ME WAT FACTORS CAN CAUSE UNDERVOLTAGE ON A BUS??? PL LIST ALL THE REASONS WITH SOME EXPLAINATION

3 5077

why we need embedded system

1636

what is elligibility criteria of hcl?

HCL,

1846

What is ics,icu,icw of load breaker

Havells, NPCIL,

5 105651

How much current does a motor take in no load condition?

6 7813

what is the use of cable in our environment ?

1770

What will be the full load current of 60KVA UPS. Suggest for this formula.

ABC, Sodexo,

8 32772


Un-Answered Questions { Engineering }

A bar of steel 24 mm in diameter was subjected to a tensile load of 60 kNs and measured extension on a 20-cm gauge length was 0.009 cm and the change in diameter was 0.00375 cm. Calculate the Bulk modulus?

1570


What is the use of gravity disc?

1871


Why are open the ejector air vents.

1478


why length of antenna is taken as one half of wavelength or one fourth of wavelength? Why not one eighth or one sixteenth?

568


What is the distance between each insulator in 33kv transformer and how can it calculate

1760






Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.

1577


1) What is meant by C-soil in geotechnical Engineering? 2) What is Eve board? 3) What will happen when heat is applied to cement? 4) what do you understand by the lateral dimention ?

6109


What information is needed to specify a mixer?

601


what parameters should we check to reduce the power bill

1837


Draw a P& ID showing – orifice flange, plate, dp transmitter, isolation & bypass valves and tubing.

1501


Define breakdown voltage.

575


why we use single core 630mm2 cable for transformer secondary side

483


What is the Resposiblity of Electrical Utility Engineer

2416


Reason for capillary type dp level transmitter fluctuation

1517


Define Hook's law.

601