Steam Boilers, Engines, Nozzles and Turbines A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as Blow off cock Fusible plug Superheater Stop valve Blow off cock Fusible plug Superheater Stop valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse reaction turbine, the pressure drops gradually and continuously over Moving blades Both fixed and moving blades None of these Fixed blades Moving blades Both fixed and moving blades None of these Fixed blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Equal to Three times Twice Four times Equal to Three times Twice Four times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder. More than Equal to None of the listed here Less than More than Equal to None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Mechanical efficiency Stage efficiency Nozzle efficiency Blading efficiency Mechanical efficiency Stage efficiency Nozzle efficiency Blading efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation of water is the evaporation for a feed water supply at 100°C Conversion into steam at atmospheric condition And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² Conversion into steam at atmospheric condition And its corresponding conversion into dry steam at desired boiler pressure Conversion into steam at the same pressure at which feed water is supplied And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm² ANSWER DOWNLOAD EXAMIANS APP