Engineering Interview Questions
Questions Answers Views Company eMail

explain cooling and its types ?

Atlantis, Bosch, CVSR,

5 11437

can i put two batteries in place of one battery in 600VA UPS? If yes, then it will be whether in series or parellel. will there be any adverse effect after putting two batteries?

Air Force, Indian Air Force,

2 5783

what is the difference between thyristors and capacitors

DRDO, ETE,

2 9032

What is a roll of adopter panel in terms of h.t. Panel ???

1 3137

what is the relationship between phase & neutral

2047

what will happen if there is a voltage leakage or current leakage in an electrical train

1478

WHY THE COLOUR OF TRANSFORMER IS GREY ?

1663

What will be cross section area of copper conductor for carry 2000 amps & 2500 amps....sq.mm.?/

3 6160

why dose not transformer not rotate ?

3 4437

Generally In transformer Tap Changer on HT side, but I have seen in 66KV side in 220/66 KV, 100 MVA, Areva make transformer. Why ?

7 9332

In transformer how measure the winding temperature ?

5 21827

What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????

1459

Why colled 440V to 3-phase supply.

1655

Why indicated only R.Y.B to phase.

Bhel,

6 9640

what happen when transformer connect on dc supply.

5 8057


Un-Answered Questions { Engineering }

What is mean by hot and cold loop testing? What is the difference between them?

584


i want to go to US for Bachlore of computer science, I didn't appeared for SAT. my ielts scores are too low only 5.5 band and I am confused if VISA OFFICERS will ask why u hadn't given SAT. what i have to answer pl suggest?

1689


Derive the equation that links voltage, charge and capacitance.

697


why is the diffusion technique of formation of resistor most widely used?

675


In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?

1425






the 3 most common transmitter protocol being in refinery or qatar gas and aramco.

2461


At full load wat is the motor p.f And at no load will is the motor p.f?

1692


What is nylon?

1


What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

1303


Problem:Design and implement a class that allows a teacher to track the grades in a single ourse.Include methods that calculate the average grae, the highest grade, and the lowest grade.Wrute a program to testyour class implementation in a c#. given grades:integral=85, physics=87, datastruct=84.

1496


How many interlocks at turbine? Plz explain briefly

1504


L&T construction mechanical questions

988


What device installed in the F.O. system when excess oil return to drain tank?

1425


What is the melting point of e70 steel, 304,308,316 stainless steels? In addition, what is the hottest part of the flame in a fire?

499


Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

1585