Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blades are equiangular Blades are equiangular and frictionless Blade velocity coefficient is unity Blade solidity is 0.65 Blades are equiangular Blades are equiangular and frictionless Blade velocity coefficient is unity Blade solidity is 0.65 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Swept 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 Swept 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of It is not possible to achieve 0°K temperature Non availability of ideal substance Leakage Frictional losses It is not possible to achieve 0°K temperature Non availability of ideal substance Leakage Frictional losses ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Incomplete combustion can be best judged by Smoky chimney exit Measuring carbon monoxide in flue gases Excess air in flue gases Measuring temperature of flue gases at exit of furnace Smoky chimney exit Measuring carbon monoxide in flue gases Excess air in flue gases Measuring temperature of flue gases at exit of furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is not a boiler mounting? Blow off cock Feed check valve Economiser Fusible plug Blow off cock Feed check valve Economiser Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of 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 Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS