Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Remains constant None of these Decreases Increases Remains constant None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off ratio is the ratio of Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Swept volume to the volume at cut-off Volume at cut-off to the clearance volume Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Swept volume to the volume at cut-off Volume at cut-off to the clearance volume 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 More heating surface Equal heating surface Less heating surface Heating surface depends on other parameters More heating surface Equal heating surface Less heating surface Heating surface depends on other parameters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Adiabatic process is Essentially an isentropic process Reversible process Constant temperature process Non-heat transfer process Essentially an isentropic process Reversible process Constant temperature process Non-heat transfer process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam flow Decreases fuel consumption Decreases steam pressure Increases steam pressure Increases steam flow Decreases fuel consumption Decreases steam pressure Increases steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ultimate analysis of fuel lists Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash ANSWER DOWNLOAD EXAMIANS APP
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