Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Spontaneous combustion during coal storage All of these Facilitating ash precipitation Corroding air heaters Spontaneous combustion during coal storage All of these Facilitating ash precipitation Corroding air heaters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single acting steam engine produces ___ power than that of double acting steam engine. Double Half Four times Equal Double Half Four times Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The power of a boiler may be defined as The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated from and at 100° C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The evaporation of 15.653 kg of water per hour from and at 100° C The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated from and at 100° C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The evaporation of 15.653 kg of water per hour from and at 100° C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Zero Depends on temperature also Maximum Minimum Zero Depends on temperature also Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
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 Heating surface depends on other parameters Less heating surface Equal heating surface More heating surface Heating surface depends on other parameters Less heating surface Equal heating surface More heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS