Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are Internally as well as externally fired Internally fired Externally fired None of these Internally as well as externally fired Internally fired Externally fired None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 450 m/s 188 m/s 79 m/s 900 m/s 450 m/s 188 m/s 79 m/s 900 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In forced circulation steam boilers, the force is applied To drain off the water To draw water All of these To circulate water To drain off the water To draw water All of these To circulate water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred From a metal wall from one medium to another By direct mixing Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another By direct mixing Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small capacity boilers is to Create vacuum Pump water, similar to boiler feed pump Inject chemical solution in feed pump Add make up water in the system Create vacuum Pump water, similar to boiler feed pump Inject chemical solution in feed pump Add make up water in the system ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency Increased work output per unit mass of steam Decreased work output per unit mass of steam Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency Increased work output per unit mass of steam Decreased work output per unit mass of steam ANSWER DOWNLOAD EXAMIANS APP