Steam Boilers, Engines, Nozzles and Turbines During polytropic process Heat transfer takes place across cylinder walls All of these Work is done Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls All of these Work is done Steam may be wet, dry or superheated after expansion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The nozzle efficiency is the ratio of Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades to the energy supplied to the blades Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades to the energy supplied to the blades Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An ideal regenerative cycle is Less than Carnot cycle Equal to Carnot cycle Could be anything More than Carnot cycle Less than Carnot cycle Equal to Carnot cycle Could be anything More than Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Superheater Economizer Air-preheater Injector Superheater Economizer Air-preheater Injector ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A stage, in reaction turbine, is represented by Each row of blades Number of exits of steam Number of casing Number of entries of steam Each row of blades Number of exits of steam Number of casing Number of entries of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Coal gas Producer gas Water gas Blast furnace gas Coal gas Producer gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
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