Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Spontaneous combustion during coal storage All of these Corroding air heaters Facilitating ash precipitation Spontaneous combustion during coal storage All of these Corroding air heaters Facilitating ash precipitation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The density of supersaturated steam is about __________ that of the ordinary saturated vapor at the corresponding pressure. 2 times 4 times 8 times Same as 2 times 4 times 8 times Same as ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 17 kg/cm² 1 kg/cm 6 kg/cm 100 kg/cm² 17 kg/cm² 1 kg/cm 6 kg/cm 100 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C. 60°C 40°C 100°C 0°C 60°C 40°C 100°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Worsen Improve May improve/worsen depending on size Remain unaffected Worsen Improve May improve/worsen depending on size Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine Increases the efficiency of the turbine All of these Reduces wear on the blades Increases the work-done through the turbine Increases the efficiency of the turbine All of these Reduces wear on the blades Increases the work-done through the turbine ANSWER DOWNLOAD EXAMIANS APP
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