Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine All of these Increases the efficiency of the turbine Increases the work-done through the turbine Reduces wear on the blades All of these Increases the efficiency of the turbine Increases the work-done through the turbine Reduces wear on the blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative efficiency is defined as the Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Product of thermal efficiency and Rankine efficiency Ratio of thermal efficiency to Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Product of thermal efficiency and Rankine efficiency Ratio of thermal efficiency to Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. Equal to Lower than Higher than None of these Equal to Lower than Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Swept volume to the volume at cut-off Swept volume to the clearance volume Clearance volume to the swept volume Volume at cut-off to the swept volume Swept volume to the volume at cut-off Swept volume to the clearance volume Clearance volume to the swept volume Volume at cut-off to the swept volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Higher value Same value Lower/higher depending on steam flow Lower value Higher value Same value Lower/higher depending on steam flow Lower value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
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