Steam Boilers, Engines, Nozzles and Turbines Vacuum for reciprocating steam engines compared to steam turbines is More Less Could be more or less depending on the size of plant Equal More Less Could be more or less depending on the size of plant Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Decrease specific volume of steam Decrease dryness fraction of steam Increase the heat drop Increase the entropy Decrease specific volume of steam Decrease dryness fraction of steam Increase the heat drop Increase the entropy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative efficiency is defined as the Ratio of thermal efficiency to Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Product of thermal efficiency and Rankine efficiency Ratio of thermal efficiency to Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Product of thermal efficiency and Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The height of chimney in a power plant is governed by Control of pollution Quantity of flue gases to be handled Limitation of construction facilities The draft to be created Control of pollution Quantity of flue gases to be handled Limitation of construction facilities The draft to be created ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction in the nozzle ___ dryness fraction of steam. Decreases None of the listed here Has no effect on Increases Decreases None of the listed here Has no effect on Increases 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