Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has More heating surface Heating surface depends on other parameters Equal heating surface Less heating surface More heating surface Heating surface depends on other parameters Equal heating surface Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The capacity of induced draft fan compared to forced draft fan in a boiler is Same Less More Less or more depending on size of boiler Same Less More Less or more depending on size of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which All the fuel burns instantaneously producing high energy release Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal Fuel burns with less air Explosion in furnace All the fuel burns instantaneously producing high energy release Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal Fuel burns with less air Explosion in furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure. Lower than Equal to Higher than None of these Lower than Equal to Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about critical condition of steam Latent heat is zero This is the maximum pressure limit Specific volume of steam and liquid is same Liquid directly becomes steam Latent heat is zero This is the maximum pressure limit Specific volume of steam and liquid is same Liquid directly becomes steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to Both (A) and (B) None of these Pressure drop across the rotor Change in axial velocity Both (A) and (B) None of these Pressure drop across the rotor Change in axial velocity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS