Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases steam pressure Increases steam pressure Decreases fuel consumption Increases steam flow Decreases steam pressure Increases steam pressure Decreases fuel consumption Increases steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The principal function of a stop valve is to Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Increase the temperature of saturated steam without raising its pressure Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. Has no effect on None of these Increases Decreases Has no effect on None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The power of a boiler may be defined as 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 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotives, the draught is produced by Both combined (A) and (B) Chimney Induced draft fan Steam jet draught Both combined (A) and (B) Chimney Induced draft fan Steam jet draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is a Multi-tubular, horizontal, internally fired and mobile boiler Single tube, horizontal, internally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler Single tube, horizontal, internally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler Single tube, vertical, externally fired and stationary boiler ANSWER DOWNLOAD EXAMIANS APP
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