Steam Boilers, Engines, Nozzles and Turbines Degree of reaction is defined as the ratio of Heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades Heat drop in moving blades to the heat drop in fixed blades Heat drop in fixed blades to the heat drop in moving blades Heat drop in fixed blades plus heat drop in moving blades to the heat drop in moving blades Heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades Heat drop in moving blades to the heat drop in fixed blades Heat drop in fixed blades to the heat drop in moving blades Heat drop in fixed blades plus heat drop in moving blades to the heat drop in moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as Externally fired boiler Internally fired boiler Natural circulation boiler Forced circulation boiler Externally fired boiler Internally fired boiler Natural circulation boiler Forced circulation boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the moving blades, 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 Pressure and velocity both increases Pressure and velocity both decreases Pressure decreases while velocity increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 10 to 15% 15 to 25% 25 to 40% 40 to 60% 10 to 15% 15 to 25% 25 to 40% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power) 1/(I.P) 1/(I.P)² I.P. (I.P.)² 1/(I.P) 1/(I.P)² I.P. (I.P.)² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is Less More Equal May be less or more depending on temperature Less More Equal May be less or more depending on temperature ANSWER DOWNLOAD EXAMIANS APP