Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 6 kg/cm 1 kg/cm 100 kg/cm² 17 kg/cm² 6 kg/cm 1 kg/cm 100 kg/cm² 17 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic At the entrance to the nozzle In the convergent portion of the nozzle At the throat of the nozzle In the divergent portion of the nozzle At the entrance to the nozzle In the convergent portion of the nozzle At the throat of the nozzle In the divergent portion of the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure and velocity both increases Pressure and velocity both decreases Pressure decreases while velocity increases Pressure increases while velocity decreases Pressure and velocity both increases Pressure and velocity both decreases Pressure decreases while velocity increases Pressure increases while velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to pa - ps None of these pa + ps ps - pa pa - ps None of these pa + ps ps - pa ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The three "Ts" for good combustion are Total air, true fuel, and turbulence Total air, time, and temperature Temperature, time, and turbulence Thorough mixing, total air and temperature Total air, true fuel, and turbulence Total air, time, and temperature Temperature, time, and turbulence Thorough mixing, total air and temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on volume basis is 0.21 0.4 0.3 0.23 0.21 0.4 0.3 0.23 ANSWER DOWNLOAD EXAMIANS APP
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