Steam Boilers, Engines, Nozzles and Turbines Efficiency of a thermal cycle increases by Reheating of steam Regeneration Both (A) and (B) Cooling of steam Reheating of steam Regeneration Both (A) and (B) Cooling of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Safety valve Fusible plug Pressure gauge Water level indicator Safety valve Fusible plug Pressure gauge Water level indicator ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 160/3 m/s 640 m/s 640/3 m/s 320/3 m/s 160/3 m/s 640 m/s 640/3 m/s 320/3 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The power of a boiler may be defined as The amount of water evaporated or steam produced in kg per kg of fuel burnt The evaporation of 15.653 kg of water per hour from and at 100° C The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated from and at 100° C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The evaporation of 15.653 kg of water per hour from and at 100° C The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated from and at 100° C into dry and saturated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Centrifugal pump Gear pump Axial flow pump Reciprocating pump Centrifugal pump Gear pump Axial flow pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines It is required to produce large amount of steam at low pressure. Which boiler should be used? Cochran boiler Babcock and Wilcox boiler Pulverized fuel fired boiler Lancashire boiler Cochran boiler Babcock and Wilcox boiler Pulverized fuel fired boiler Lancashire boiler ANSWER DOWNLOAD EXAMIANS APP
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