Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and more economical More efficient and less economical Less efficient and less economical More efficient and more economical Less efficient and more economical More efficient and less economical Less efficient and less economical More efficient and more economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air required for complete combustion of fuel with no excess air Air present in atmosphere at NTP conditions Air required for optimum combustion so as to have reasonable excess air Air required to convert CO into CO₂ Air required for complete combustion of fuel with no excess air Air present in atmosphere at NTP conditions Air required for optimum combustion so as to have reasonable excess air Air required to convert CO into CO₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Spontaneous combustion during coal storage Corroding air heaters Facilitating ash precipitation All of these Spontaneous combustion during coal storage Corroding air heaters Facilitating ash precipitation All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is required for a steam condensing plant? Condensate pump Air extraction pump Condenser All of these Condensate pump Air extraction pump Condenser All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Decreases Remains unchanged Increases Increases/decreases depending on steam temperature requirements Decreases Remains unchanged Increases Increases/decreases depending on steam temperature requirements ANSWER DOWNLOAD EXAMIANS APP
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