Steam Boilers, Engines, Nozzles and Turbines The artificial draught is produced by Chimney Steam jet Centrifugal fan Both (A) and (B) Chimney Steam jet Centrifugal fan Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Increased thermal efficiency Decreased work output per unit mass of steam Decreased work output per unit mass of steam as well as increased thermal efficiency Increased work output per unit mass of steam Increased thermal efficiency Decreased work output per unit mass of steam Decreased work output per unit mass of steam as well as increased thermal efficiency Increased work output per unit mass of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 30 to 40% 10 to 15% 15 to 20% 20 to 30% 30 to 40% 10 to 15% 15 to 20% 20 to 30% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The action of steam in a steam turbine is Static and dynamic Neither static nor dynamic Dynamic Static Static and dynamic Neither static nor dynamic Dynamic Static ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The power of a boiler may be defined as The ratio of heat actually used in producing the steam to the heat liberated in the furnace 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 amount of water evaporated from and at 100° C into dry and saturated steam The ratio of heat actually used in producing the steam to the heat liberated in the furnace 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 amount of water evaporated from and at 100° C into dry and saturated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Lower/higher depending on steam flow Lower value Same value Higher value Lower/higher depending on steam flow Lower value Same value Higher value ANSWER DOWNLOAD EXAMIANS APP
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