Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber To provide an adequate supply of air for the fuel combustion All of the listed here To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber To provide an adequate supply of air for the fuel combustion All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Economizer Superheater Injector Air-preheater Economizer Superheater Injector Air-preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks 90° to each other 180° to each other 0° to each other None of these 90° to each other 180° to each other 0° to each other None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is a Single tube, horizontal, internally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler Single tube, horizontal, internally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tube of Cornish boiler compared to its shell is One fourth One fifth One third One half One fourth One fifth One third One half ANSWER DOWNLOAD EXAMIANS APP
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