Steam Boilers, Engines, Nozzles and Turbines The basic purpose of drum in boiler is to Serve as storage of feed water for water wall Separate steam from water Remove salts from water Serve as storage of steam Serve as storage of feed water for water wall Separate steam from water Remove salts from water Serve as storage of 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 Same value Higher value Lower/higher depending on steam flow Lower value Same value Higher value Lower/higher depending on steam flow Lower value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The capacity of induced draft fan compared to forced draft fan in a boiler is Less or more depending on size of boiler Same Less More Less or more depending on size of boiler Same Less More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called Superheated steam Cushion steam Saturated steam Wet steam Superheated steam Cushion steam Saturated steam Wet steam 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 Film boiling occurs at Atmospheric pressures Very low pressure Medium pressures Very high pressures Atmospheric pressures Very low pressure Medium pressures Very high pressures ANSWER DOWNLOAD EXAMIANS APP