Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Superheated steam Dry saturated steam None of these Wet steam Superheated steam Dry saturated steam None of these Wet steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the heat liberated in the furnace to the heat actually used in producing steam None of these Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the heat liberated in the furnace to the heat actually used in producing steam None of these 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 Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Decreases Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about pulverized fuel firing? It is the best technique for burning high ash content fuel having low fusion ash Fuel burns economically Heat release can be easily controlled High burning rate is possible It is the best technique for burning high ash content fuel having low fusion ash Fuel burns economically Heat release can be easily controlled High burning rate is possible ANSWER DOWNLOAD EXAMIANS APP
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 Thermal equilibrium means that the flow of steam is Hyperbolic Polytropic Isothermal Isentropic Hyperbolic Polytropic Isothermal Isentropic ANSWER DOWNLOAD EXAMIANS APP