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 The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Throttle governing of steam engines is a method of controlling the engine output by varying All of these Volume of intake steam Temperature of intake steam Pressure of intake steam All of these Volume of intake steam Temperature of intake steam Pressure of intake steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on volume basis is 0.3 0.21 0.23 0.4 0.3 0.21 0.23 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially superheated steam is __________ as compared to initially dry saturated steam. Same Less More None of these Same Less More None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called Tandem type compound engine Both (A) and (B) Receiver type compound engine Woolf type compound engine Tandem type compound engine Both (A) and (B) Receiver type compound engine Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP
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