Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. Has no effect on Decreases None of these Increases Has no effect on Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For water, at pressures below atmospheric; Melting point drops slightly and boiling point drops markedly Melting point rises markedly 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 drops slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly Melting point rises slightly and boiling point drops markedly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by Separating calorimeter Throttling calorimeter Bucket calorimeter Combined separating and throttling calorimeter Separating calorimeter Throttling calorimeter Bucket calorimeter Combined separating and throttling calorimeter ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Change in enthalpy Work done during adiabatic expansion Work done during the Rankine cycle Work done during compression Change in enthalpy Work done during adiabatic expansion Work done during the Rankine cycle Work done during compression ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal All the fuel burns instantaneously producing high energy release Fuel burns with less air Explosion in furnace Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal All the fuel burns instantaneously producing high energy release Fuel burns with less air Explosion in furnace ANSWER DOWNLOAD EXAMIANS APP