Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased thermal efficiency Increased work output per unit mass of steam Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased thermal efficiency Increased work output per unit mass of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 3.5 to 4.5 m 2.5 to 3.5 m 1.5 to 2 m None of these 3.5 to 4.5 m 2.5 to 3.5 m 1.5 to 2 m None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is used where working pressure and power required are None of these Low Moderate High None of these Low Moderate High 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 None of these Remains constant Increases Decreases None of these Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Clearance ratio is the ratio of Swept volume to the clearance volume Clearance volume to the swept volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Swept volume to the clearance volume Clearance volume to the swept volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm × K pa = pm/K pa = K/pm pa = pm + K pa = pm × K pa = pm/K pa = K/pm pa = pm + K ANSWER DOWNLOAD EXAMIANS APP
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