Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Uneconomical Economical Desirable Essential Uneconomical Economical Desirable Essential ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram factor is the ratio of the Area of the actual indicator diagram to the area of theoretical indicator diagram Actual workdone per stroke to the theoretical workdone per stroke Actual mean effective pressure to the theoretical mean effective pressure Any one of the above Area of the actual indicator diagram to the area of theoretical indicator diagram Actual workdone per stroke to the theoretical workdone per stroke Actual mean effective pressure to the theoretical mean effective pressure Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as 100°C and 1.1 bar pressure 50°C and normal atmospheric pressure 50°C and 1.1 bar pressure 100°C and normal atmospheric pressure 100°C and 1.1 bar pressure 50°C and normal atmospheric pressure 50°C and 1.1 bar pressure 100°C and normal atmospheric pressure 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) I.P. 1/(I.P)² (I.P.)² 1/(I.P) I.P. 1/(I.P)² (I.P.)² 1/(I.P) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small capacity boilers is to Add make up water in the system Inject chemical solution in feed pump Create vacuum Pump water, similar to boiler feed pump Add make up water in the system Inject chemical solution in feed pump Create vacuum Pump water, similar to boiler feed pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine when the degree of reaction is zero, then there is No heat drop in fixed blades Maximum heat drop in moving blades Maximum heat drop in fixed blades No heat drop in moving blades No heat drop in fixed blades Maximum heat drop in moving blades Maximum heat drop in fixed blades No heat drop in moving blades ANSWER DOWNLOAD EXAMIANS APP