Steam Boilers, Engines, Nozzles and Turbines Cut-off ratio is the ratio of Volume at cut-off to the clearance volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Swept volume to the volume at cut-off Volume at cut-off to the clearance volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Swept volume to the volume at cut-off ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat 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 More than the velocity of sound None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in, a Coarran and Scottish marine boiler are Both horizontal and vertical Horizontal Vertical Inclined Both horizontal and vertical Horizontal Vertical Inclined ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere Heating wood in a limited supply of air at temperatures below 300°C Binding the pulverized coal into briquettes Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere Heating wood in a limited supply of air at temperatures below 300°C Binding the pulverized coal into briquettes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and Brake power Efficiency Indicated power Pressure of steam Brake power Efficiency Indicated power Pressure of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative heat absorption for successively added equal areas of boiler convection heating surfaces First increases and then decreases Decreases Remain unaffected Increases First increases and then decreases Decreases Remain unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
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