Steam Boilers, Engines, Nozzles and Turbines A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit. Safety valve Stop valve Fusible plug Blow off cock Safety valve Stop valve Fusible plug Blow off cock ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 47.5 mm, 130 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 65.5 mm, 210 mm 47.5 mm, 130 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 65.5 mm, 210 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sublimation region is the region where Liquid and vapor phases are in equilibrium Solid and liquid phases are in equilibrium Solid, liquid and vapor phases are in equilibrium Solid and vapor phases are in equilibrium Liquid and vapor phases are in equilibrium Solid and liquid phases are in equilibrium Solid, liquid and vapor phases are in equilibrium Solid and vapor phases are in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Producer gas Coal gas Water gas Blast furnace gas Producer gas Coal gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 40 to 60% 10 to 15% 15 to 25% 25 to 40% 40 to 60% 10 to 15% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam in a nozzle follows Carnot cycle Joule cycle Rankine cycle Stirling cycle Carnot cycle Joule cycle Rankine cycle Stirling cycle ANSWER DOWNLOAD EXAMIANS APP
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