Steam Boilers, Engines, Nozzles and Turbines In a throttling process Steam pressure remains constant Steam temperature remains constant Steam entropy remains constant Steam enthalpy remains constant Steam pressure remains constant Steam temperature remains constant Steam entropy remains constant Steam enthalpy remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential All the three above O₂ to support combustion Correct fuel air ratio Proper ignition temperature All the three above O₂ to support combustion Correct fuel air ratio Proper ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is used where working pressure and power required are Low None of these High Moderate Low None of these High Moderate 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) Decreases Increases None of these Remains constant Decreases Increases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
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. Three times Twice Equal to Four times Three times Twice Equal to Four times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat None of these Less than the velocity of sound More than the velocity of sound Equal to the velocity of sound None of these Less than the velocity of sound More than the velocity of sound Equal to the velocity of sound ANSWER DOWNLOAD EXAMIANS APP