Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially dry saturated steam is 0.577 0.546 0.582 0.601 0.577 0.546 0.582 0.601 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine Increases the efficiency of the turbine Increases the work-done through the turbine Reduces wear on the blades All of these Increases the efficiency of the turbine Increases the work-done through the turbine Reduces wear on the blades All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash All of these Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always Greater than unity Less than unity None of these Equal to unity Greater than unity Less than unity None of these Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of 0.5 0.1 0.3 0.8 0.5 0.1 0.3 0.8 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) cos²α cot²α tan²α sin²α cos²α cot²α tan²α sin²α ANSWER DOWNLOAD EXAMIANS APP
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