Steam Boilers, Engines, Nozzles and Turbines The diagram factor is the ratio of the Actual mean effective pressure to the theoretical mean effective pressure Any one of the above Actual workdone per stroke to the theoretical workdone per stroke Area of the actual indicator diagram to the area of theoretical indicator diagram Actual mean effective pressure to the theoretical mean effective pressure Any one of the above Actual workdone per stroke to the theoretical workdone per stroke Area of the actual indicator diagram to the area of theoretical indicator diagram 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 Four times Equal to Three times Twice Four times Equal to ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant All of these Increases expansion ratio of steam Reduces temperature of exhaust steam Reduces back pressure of steam All of these Increases expansion ratio of steam Reduces temperature of exhaust steam Reduces back pressure of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat More than the velocity of sound None of these Equal to the velocity of sound Less than the velocity of sound More than the velocity of sound None of these Equal to the velocity of sound Less than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Heat transfer coefficient Corrosion caused by oxygen Cavitation of boiler feed pumps pH value of water Heat transfer coefficient Corrosion caused by oxygen Cavitation of boiler feed pumps pH value of water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on volume basis is 0.4 0.23 0.21 0.3 0.4 0.23 0.21 0.3 ANSWER DOWNLOAD EXAMIANS APP