Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon Initial pressure and volume of steam Area of nozzle at throat Both (A) and (B) Final pressure of steam leaving the nozzle Initial pressure and volume of steam Area of nozzle at throat Both (A) and (B) Final pressure of steam leaving the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the length of stroke Increases Decreases None of these Does not change Increases Decreases None of these Does not change ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Cool the scanners Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Cool the scanners Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Extinguish fire if water level in the boiler falls below alarming limit Control steam dome Avoid excessive build up of pressure Avoid explosion Extinguish fire if water level in the boiler falls below alarming limit Control steam dome Avoid excessive build up of pressure Avoid explosion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Steam produced in kg/h Amount of water evaporated per hour Steam produced in kg/kg of fuel burnt All of the listed here Steam produced in kg/h Amount of water evaporated per hour Steam produced in kg/kg of fuel burnt All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is 225.6 kg/cm² 100 kg/cm² 1 kg/cm² Below atmospheric pressure 225.6 kg/cm² 100 kg/cm² 1 kg/cm² Below atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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