Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is 100 kg/cm² Below atmospheric pressure 1 kg/cm² 225.6 kg/cm² 100 kg/cm² Below atmospheric pressure 1 kg/cm² 225.6 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Clearance volume to the swept volume Volume at cut-off to the swept volume Swept volume to the clearance volume Swept volume to the volume at cut-off Clearance volume to the swept volume Volume at cut-off to the swept volume Swept volume to the clearance volume Swept volume to the volume at cut-off ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is 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 To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When steam after doing work in the cylinder passes into a condenser, the engine is said to be a Vertical steam engine Non-condensing steam engine Slow speed engine Condensing steam engine Vertical steam engine Non-condensing steam engine Slow speed engine Condensing steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred By direct mixing From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gases from furnace From a metal wall from one medium to another By direct mixing From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gases from furnace From a metal wall from one medium to another ANSWER DOWNLOAD EXAMIANS APP
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