Steam Boilers, Engines, Nozzles and Turbines For water, at pressures below atmospheric; Melting point rises slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly Melting point drops slightly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly Melting point rises slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly Melting point drops slightly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Barometric pressure - actual pressure Barometric pressure + actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure - actual pressure Barometric pressure + actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Before the economiser Between the economiser and chimney Before the superheater None of these Before the economiser Between the economiser and chimney Before the superheater None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) cos²α sin²α tan²α cot²α cos²α sin²α tan²α cot²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Maximum energy loss in a boiler occurs due to Incomplete combustion Unburnt carbon in ash Flue gases Ash content Incomplete combustion Unburnt carbon in ash Flue gases Ash content ANSWER DOWNLOAD EXAMIANS APP
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