Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the length of stroke Does not change None of these Decreases Increases Does not change None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The pressure and temperature of steam remains constant The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Maximum energy loss in a boiler occurs due to Unburnt carbon in ash Ash content Flue gases Incomplete combustion Unburnt carbon in ash Ash content Flue gases Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon Initial pressure and volume of steam Both (A) and (B) Area of nozzle at throat Final pressure of steam leaving the nozzle Initial pressure and volume of steam Both (A) and (B) Area of nozzle at throat Final pressure of steam leaving the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Reciprocating pump Centrifugal pump Axial flow pump Gear pump Reciprocating pump Centrifugal pump Axial flow pump Gear pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The biggest size of thermal power unit operating in India is 500 MW 60 MW 30 MW 100 MW 500 MW 60 MW 30 MW 100 MW ANSWER DOWNLOAD EXAMIANS APP