Can u explain : what is supply for train (whether a,c or d.c
).I know that supply is 25000v a.c .But there is rumour that
supply is D.C.
And also explain how lights and fans inside the trains are
working ,and what type of motors are used in trains whether
D.C motors or induction motors .If d.c motor, how it gets
supply.If traction motors are used then what are traction
motors and its functions and how it differs from other
motors and also explain about locomotive .
What are the materials use for COntrol Valve body?
how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!
how many litres of enamel paint required for 5000 sft of site??
Identification of ss fittings, pilot valves, relief valve.
What products have you designed which have entered high
What is he use of embeded systems?
Where mixed flow type compressors are used?
how strcpy usingrecursive function
I am haning thousands emails in my send box (which i
sended.) Now i want to send all these emails (Total in send
box)to other by email. Can i send total emails at one time
(Not sending each indivisually) by one comand; Please tell
what shoud be strength and weakness to impress
What pressure is highest L.O. Gravity Head or S.W. of the
stern tube circulation
a) we have 30nos., 300mm dia, 4m length double under
reamed piles.calculate excavation quantity.b) tell
concrete qty. also.
what is the concept of c++ class
How Arc Extinguish in Minimum oil circuit breaker and What is
the function of Radial and axial vents of turbulator in
Minimum oil circuit Breaker Where these vents are exists.