Steam Boilers, Engines, Nozzles and Turbines The length of Lancashire boiler varies from 5 to 6 m 7.25 to 9 m 6 to 7 m 9 to 10 m 5 to 6 m 7.25 to 9 m 6 to 7 m 9 to 10 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Gross or stage efficiency Nozzle efficiency Blading efficiency Mechanical efficiency Gross or stage efficiency Nozzle efficiency Blading efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Spontaneous combustion during coal storage Facilitating ash precipitation All of these Corroding air heaters Spontaneous combustion during coal storage Facilitating ash precipitation All of these Corroding air heaters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler parameters are expressed by All of these Tonnes/hr. of steam Pressure of steam in kg/cm² Temperature of steam in °C All of these Tonnes/hr. of steam Pressure of steam in kg/cm² Temperature of steam in °C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an ideal impulse turbine, the Relative velocity at the inlet of the moving blade is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) sin²α cos²α cot²α tan²α sin²α cos²α cot²α tan²α ANSWER DOWNLOAD EXAMIANS APP
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