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 Power of a boiler Boiler efficiency Equivalent evaporation Factor of evaporation Power of a boiler Boiler efficiency Equivalent evaporation Factor of evaporation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines While steam expands in turbines, theoretically the entropy Increases Behaves unpredictably Remains constant Decreases Increases Behaves unpredictably Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The three "Ts" for good combustion are Temperature, time, and turbulence Total air, true fuel, and turbulence Total air, time, and temperature Thorough mixing, total air and temperature Temperature, time, and turbulence Total air, true fuel, and turbulence Total air, time, and temperature Thorough mixing, total air and temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse reaction turbine, the pressure drops gradually and continuously over Moving blades Both fixed and moving blades Fixed blades None of these Moving blades Both fixed and moving blades Fixed blades None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C. 60°C 40°C 0°C 100°C 60°C 40°C 0°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Mechanical efficiency Nozzle efficiency Blading efficiency Gross or stage efficiency Mechanical efficiency Nozzle efficiency Blading efficiency Gross or stage efficiency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS