Steam Boilers, Engines, Nozzles and Turbines It is required to produce large amount of steam at low pressure. Which boiler should be used? Pulverized fuel fired boiler Babcock and Wilcox boiler Cochran boiler Lancashire boiler Pulverized fuel fired boiler Babcock and Wilcox boiler Cochran boiler Lancashire boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A supercritical boiler is one that operates above the pressure and temperature of following values 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C 218 kg/cm² abs and 540°C 1 kg/cm² and 100°C 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C 218 kg/cm² abs and 540°C 1 kg/cm² and 100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Enables low grade fuel to be burnt Increases the efficiency of the boiler All of these Increases evaporative capacity of the boiler Enables low grade fuel to be burnt Increases the efficiency of the boiler All of these Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler parameters are expressed by Temperature of steam in °C Tonnes/hr. of steam Pressure of steam in kg/cm² All of these Temperature of steam in °C Tonnes/hr. of steam Pressure of steam in kg/cm² All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The coal requirement per kW hour generation in the thermal power plant is of the order of 0.6 to 0.8 kg 0.2 to 0.4 kg 1.0 to 1.5 kg 0.1 to 0.2 kg 0.6 to 0.8 kg 0.2 to 0.4 kg 1.0 to 1.5 kg 0.1 to 0.2 kg ANSWER DOWNLOAD EXAMIANS APP
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