Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is To guide motion of the piston rod and to prevent it from bending None of these To transfer motion from the piston to the cross-head To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To guide motion of the piston rod and to prevent it from bending None of these To transfer motion from the piston to the cross-head To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The artificial draught is produced by Steam jet Chimney Centrifugal fan Both (A) and (B) Steam jet Chimney Centrifugal fan Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The water tubes in a Babcock and Wilcox boiler are Horizontal Vertical Horizontal and inclined Inclined Horizontal Vertical Horizontal and inclined Inclined ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 950-1100°C 500-600°C 700-850°C Atmospheric temperature 950-1100°C 500-600°C 700-850°C Atmospheric temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 1.67 0.67 0.56 0.4 1.67 0.67 0.56 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The feed check valve is used in order to Recirculate unwanted feed water Regulate flow of boiler water Check level of water in boiler drum Allow high pressure feed water to flow to drum and not allow reverse flow to take place Recirculate unwanted feed water Regulate flow of boiler water Check level of water in boiler drum Allow high pressure feed water to flow to drum and not allow reverse flow to take place ANSWER DOWNLOAD EXAMIANS APP