all interview questions with answers of ntpc (2000-2009

2214

What is pd controller?

1113

i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

1857

whats the differece between Exd and Exe

4938

please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

1969

How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

2347

Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

1971

why do we put a transformer on soak before loading it

1143

Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

1886

A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

2265

is ac supply can store

2103

What are the two major types of control system?

1103

All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?

1660

In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because

1226

Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

2013