Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure and velocity both decreases Pressure and velocity both increases Pressure increases while velocity decreases Pressure decreases while velocity increases Pressure and velocity both decreases Pressure and velocity both increases Pressure increases while velocity decreases Pressure decreases while velocity increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. Increases Has no effect on Decreases None of these Increases Has no effect on Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Horizontal fire tube type Vertical fire tube type Forced circulation type Horizontal water tube type Horizontal fire tube type Vertical fire tube type Forced circulation type Horizontal water tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Ultimate analysis of fuel is determination of percentage of Carbon, hydrogen, nitrogen, sulphur, moisture Fixed carbon, ash, volatile matter, moisture Lower calorific value Higher calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Fixed carbon, ash, volatile matter, moisture Lower calorific value Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The biggest size of thermal power unit operating in India is 30 MW 60 MW 500 MW 100 MW 30 MW 60 MW 500 MW 100 MW ANSWER DOWNLOAD EXAMIANS APP