Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Economize on fuel Extract heat from the exhaust flue gases Increase flue gas temperature Increase thermal efficiency of boiler Economize on fuel Extract heat from the exhaust flue gases Increase flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Locomotive boiler has __________ diameter. 7.45 mm 5.47 mm 4.75 mm 47.5 mm 7.45 mm 5.47 mm 4.75 mm 47.5 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of 10 atmospheres 30 atmospheres 20 atmospheres 40 atmospheres 10 atmospheres 30 atmospheres 20 atmospheres 40 atmospheres ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is used in Thermal power plant Cement industry Blast furnace Domestic use Thermal power plant Cement industry Blast furnace Domestic use ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Remain same Decreases Behaves unpredictably Increases Remain same Decreases Behaves unpredictably Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure decreases while velocity increases Pressure increases while velocity decreases Pressure and velocity both decreases Pressure and velocity both increases Pressure decreases while velocity increases Pressure increases while velocity decreases Pressure and velocity both decreases Pressure and velocity both increases ANSWER DOWNLOAD EXAMIANS APP
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