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 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 V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is All of the listed here To provide an adequate supply of air for the fuel combustion To exhaust the gases of combustion from the combustion chamber To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To provide an adequate supply of air for the fuel combustion To exhaust the gases of combustion from the combustion chamber To discharge the gases of combustion to the atmosphere through the chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The working pressure range for a LaMont boiler is 0.5 to 10 MN/m² 3.5 to 20 MN/m² 1 to 15 MN/m² 2.5 to 15 MN/m² 0.5 to 10 MN/m² 3.5 to 20 MN/m² 1 to 15 MN/m² 2.5 to 15 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to Change in axial velocity None of these Both (A) and (B) Pressure drop across the rotor Change in axial velocity None of these Both (A) and (B) Pressure drop across the rotor ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are Internally as well as externally fired None of these Internally fired Externally fired Internally as well as externally fired None of these Internally fired Externally fired ANSWER DOWNLOAD EXAMIANS APP
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