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In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
Duplex feed pumps are used in small steam boilers. These operate on the principle of
The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as
Very high pressure boilers are usually __________ boilers.
For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is
The feed check valve is used in order to
The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.
Function of feed check valve in a boiler is to
A safety valve mainly used with locomotive and marine boilers is