Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is None of these To guide motion of the piston rod and to prevent it from bending 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 None of these To guide motion of the piston rod and to prevent it from bending 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 velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The capacity of induced draft fan compared to forced draft fan in a boiler is Same Less or more depending on size of boiler Less More Same Less or more depending on size of boiler Less More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Feed water conditioning in thermal power plants in done to Increase steam parameters Increase efficiency of thermal power plant Increase heat transfer rate Reduce hardness and for removal of solids Increase steam parameters Increase efficiency of thermal power plant Increase heat transfer rate Reduce hardness and for removal of solids ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a uniflow engine Steam enters and exhausts through the same port None of these Steam enters at the centre and exhausts at the other end Steam enters at one end and exhausts at the centre Steam enters and exhausts through the same port None of these Steam enters at the centre and exhausts at the other end Steam enters at one end and exhausts at the centre ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The difference of supersaturated temperature and saturation temperature at that pressure is called Degree of super-saturation Degree of superheat None of the listed here Degree of under-cooling Degree of super-saturation Degree of superheat None of the listed here Degree of under-cooling ANSWER DOWNLOAD EXAMIANS APP
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