Steam Boilers, Engines, Nozzles and Turbines Parson's reaction turbine is a __________ reaction turbine. 50 percent 40 percent 70 percent 60 percent 50 percent 40 percent 70 percent 60 percent ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as None of these Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the mass of steam produced to the mass of total water supplied in a given time ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is To transfer motion from the piston to the cross-head None of these To guide motion of the piston rod and to prevent it from bending To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross-head None of these To guide motion of the piston rod and to prevent it from bending 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 increase in pressure Lowers the boiling point of a liquid Reduces its volume Does not affects the boiling point of a liquid Raises the boiling point of a liquid Lowers the boiling point of a liquid Reduces its volume Does not affects the boiling point of a liquid Raises the boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-half One-third Two-fifth One-fourth One-half One-third Two-fifth One-fourth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Heat energy of steam into kinetic energy Heat energy of steam into potential energy Potential energy into heat energy of steam Kinetic energy into heat energy of steam Heat energy of steam into kinetic energy Heat energy of steam into potential energy Potential energy into heat energy of steam Kinetic energy into heat energy of steam ANSWER DOWNLOAD EXAMIANS APP