Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost To steam formed by combustion of hydrogen per kg of fuel To dry flue gases In moisture present in the fuel All of these To steam formed by combustion of hydrogen per kg of fuel To dry flue gases In moisture present in the fuel All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Improve efficiency Reduce exit losses All of these Reduce speed of rotor Improve efficiency Reduce exit losses All of these Reduce speed of rotor ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross-head To guide motion of the piston rod and to prevent it from bending None of these To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross-head To guide motion of the piston rod and to prevent it from bending None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the heat drop Increase the entropy Decrease specific volume of steam Decrease dryness fraction of steam Increase the heat drop Increase the entropy Decrease specific volume of steam Decrease dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following substance will have same percentage in both proximate and ultimate analysis? Ash Moisture Volatile matter Hydrogen Ash Moisture Volatile matter Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) sin²α cot²α tan²α cos²α sin²α cot²α tan²α cos²α ANSWER DOWNLOAD EXAMIANS APP