Steam Boilers, Engines, Nozzles and Turbines Which of the following are boiler accessories? Both (A) and (B) None of these Superheater Economizer Both (A) and (B) None of these Superheater Economizer ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder Decreases the efficiency of the engine Increases the workdone All of these Increases the mean effective pressure Decreases the efficiency of the engine Increases the workdone All of these Increases the mean effective pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.4 0.9 0.75 0.5 0.4 0.9 0.75 0.5 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The principal function of a stop valve is to Increase the temperature of saturated steam without raising its pressure Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required 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 Increase the temperature of saturated steam without raising its pressure Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required 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 The heat loss in a boiler takes place in the form of Moisture present in fuel and steam formed by combustion of hydrogen in fuel All of these Heat carried away by flue gases Heat carried away by ash Moisture present in fuel and steam formed by combustion of hydrogen in fuel All of these Heat carried away by flue gases Heat carried away by ash ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is To reduce the ratio of expansion in each cylinder All of these To reduce the temperature range in each cylinder To reduce the length of stroke To reduce the ratio of expansion in each cylinder All of these To reduce the temperature range in each cylinder To reduce the length of stroke ANSWER DOWNLOAD EXAMIANS APP
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