Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Equal to Twice Four times Three times Equal to Twice Four times Three times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Isothermal process Free expansion process Throttling process Isentropic process Isothermal process Free expansion process Throttling process Isentropic process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon All of these Velocity of steam Dryness fraction of steam Specific volume of steam All of these Velocity of steam Dryness fraction of steam Specific volume of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Higher calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam temperature with increase in load in case of a boiler fitted with radiation superheater Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases Remain unaffected Decreases 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
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