Steam Boilers, Engines, Nozzles and Turbines The principal function of a stop valve is to Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler 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 Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler 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 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 In an impulse turbine, steam expands Partly in the nozzle and partly in blades Wholly in nozzle Wholly in blades None of these Partly in the nozzle and partly in blades Wholly in nozzle Wholly in blades None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 1.5 to 2 m None of these 2.5 to 3.5 m 3.5 to 4.5 m 1.5 to 2 m None of these 2.5 to 3.5 m 3.5 to 4.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. None of these Remains constant Decreases Increases None of these Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler is of the order of 24 m 79 m 57.5 m 35 m 24 m 79 m 57.5 m 35 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel High calorific value High ignition point Ease in storing Produce minimum smoke and gases High calorific value High ignition point Ease in storing Produce minimum smoke and gases ANSWER DOWNLOAD EXAMIANS APP