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) Decreases Increases None of these Remains constant Decreases Increases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel Ease in storing Produce minimum smoke and gases High ignition point High calorific value Ease in storing Produce minimum smoke and gases High ignition point High calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called Cut-off ratio Clearance ratio None of these Expansion ratio Cut-off ratio Clearance ratio None of these Expansion ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated in kg per kg of fuel burnt is called Boiler efficiency Equivalent evaporation from and at 100° C None of these Evaporative capacity of a boiler Boiler efficiency Equivalent evaporation from and at 100° C None of these Evaporative capacity of a boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When steam after doing work in the cylinder passes into a condenser, the engine is said to be a Non-condensing steam engine Condensing steam engine Slow speed engine Vertical steam engine Non-condensing steam engine Condensing steam engine Slow speed engine Vertical steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Decreased work output per unit mass of steam Increased work output per unit mass of steam Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased work output per unit mass of steam Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency ANSWER DOWNLOAD EXAMIANS APP