Steam Boilers, Engines, Nozzles and Turbines The steam leaves the nozzle at a Low pressure and a high velocity High pressure and a high velocity High pressure and a low velocity Low pressure and a low velocity Low pressure and a high velocity High pressure and a high velocity High pressure and a low velocity Low pressure and a low velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Four times Three times Equal to Twice Four times Three times Equal to Twice ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small capacity boilers is to Pump water, similar to boiler feed pump Add make up water in the system Create vacuum Inject chemical solution in feed pump Pump water, similar to boiler feed pump Add make up water in the system Create vacuum Inject chemical solution in feed pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. Remains constant Increases Decreases None of these Remains constant Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated sufficiently Heated to its ignition point Burnt as powder Burnt in excess air Heated sufficiently Heated to its ignition point Burnt as powder Burnt in excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, pā) will be 5.46 bar 9.9 bar 8.2 bar 3.3 bar 5.46 bar 9.9 bar 8.2 bar 3.3 bar ANSWER DOWNLOAD EXAMIANS APP