Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Swept volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume Volume at cut-off to the swept volume Swept volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume Volume at cut-off to the swept volume 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 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 V = 44.72 hd K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Internal efficiency Stage efficiency Rankine efficiency None of these Internal efficiency Stage efficiency Rankine efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gusset stays in a boiler are provided to Avoid explosion in furnace Prevent leakage of hot flue gases Prevent the bulging of flat surfaces Support furnace freely from top Avoid explosion in furnace Prevent leakage of hot flue gases Prevent the bulging of flat surfaces Support furnace freely from top ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Steam produced in kg/h All of the listed here Steam produced in kg/kg of fuel burnt Amount of water evaporated per hour Steam produced in kg/h All of the listed here Steam produced in kg/kg of fuel burnt Amount of water evaporated per hour ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as Equivalent evaporation Factor of evaporation Boiler efficiency Power of a boiler Equivalent evaporation Factor of evaporation Boiler efficiency Power of a boiler ANSWER DOWNLOAD EXAMIANS APP