Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it Retards electric precipitation Has highly corrosive effect Promotes complete combustion Has high heating value Retards electric precipitation Has highly corrosive effect Promotes complete combustion Has high heating value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals to atmospheric pressure Equals 760 mm of mercury Equals the pressure of water in the container Equals that of the surroundings Equals to atmospheric pressure Equals 760 mm of mercury Equals the pressure of water in the container Equals that of the surroundings ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Isentropic process Free expansion process Isothermal process Throttling process Isentropic process Free expansion process Isothermal process Throttling process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Heat transfer takes place across cylinder walls Work is done Steam may be wet, dry or superheated after expansion All of these Heat transfer takes place across cylinder walls Work is done Steam may be wet, dry or superheated after expansion All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder Increases the mean effective pressure Increases the workdone All of these Decreases the efficiency of the engine Increases the mean effective pressure Increases the workdone All of these Decreases the efficiency of the engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram efficiency is the ratio of 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 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 ANSWER DOWNLOAD EXAMIANS APP
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