Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always None of these Equal to unity Greater than unity Less than unity None of these Equal to unity Greater than unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of heat actually used in producing steam to the heat liberated in the furnace None of these Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of heat actually used in producing steam to the heat liberated in the furnace None of these Ratio of the heat liberated in the furnace to the heat actually used in producing steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Heating surface depends on other parameters More heating surface Less heating surface Equal heating surface Heating surface depends on other parameters More heating surface Less heating surface Equal heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the chimney is called Forced steam jet draught Chimney draught Induced steam jet draught None of these Forced steam jet draught Chimney draught Induced steam jet draught None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Equal to the height of the hot gas column producing draught Outside temperature is very low Around 200 meters Infinitely long Equal to the height of the hot gas column producing draught Outside temperature is very low Around 200 meters Infinitely long ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines While steam expands in turbines, theoretically the entropy Decreases Behaves unpredictably Remains constant Increases Decreases Behaves unpredictably Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS