Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Give maximum space Withstand pressure inside boiler Resist intense heat in fire box Give maximum strength Give maximum space Withstand pressure inside boiler Resist intense heat in fire box Give maximum strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Lancashire boiler varies from 6 to 7 m 7.25 to 9 m 9 to 10 m 5 to 6 m 6 to 7 m 7.25 to 9 m 9 to 10 m 5 to 6 m 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 and velocity both decreases Pressure increases while velocity decreases Pressure and velocity both increases Pressure decreases while velocity increases Pressure and velocity both decreases Pressure increases while velocity decreases Pressure and velocity both increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is Below atmospheric pressure 1 kg/cm² 225.6 kg/cm² 100 kg/cm² Below atmospheric pressure 1 kg/cm² 225.6 kg/cm² 100 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is not a boiler mounting? Feed check valve Blow off cock Economiser Fusible plug Feed check valve Blow off cock Economiser Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about pulverized fuel firing? High burning rate is possible Fuel burns economically It is the best technique for burning high ash content fuel having low fusion ash Heat release can be easily controlled High burning rate is possible Fuel burns economically It is the best technique for burning high ash content fuel having low fusion ash Heat release can be easily controlled ANSWER DOWNLOAD EXAMIANS APP