Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Higher effectiveness of boiler Fouling of heat transfer surfaces High calorific value coal being burnt Raising of steam temperature Higher effectiveness of boiler Fouling of heat transfer surfaces High calorific value coal being burnt Raising of steam temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Degree of reaction is defined as the ratio of Heat drop in moving blades to the heat drop in fixed blades Heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades Heat drop in fixed blades to the heat drop in moving blades Heat drop in fixed blades plus heat drop in moving blades to the heat drop in moving blades Heat drop in moving blades to the heat drop in fixed blades Heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades Heat drop in fixed blades to the heat drop in moving blades Heat drop in fixed blades plus heat drop in moving blades to the heat drop in moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Increases/decreases depending on steam temperature requirements Remains unchanged Increases Decreases Increases/decreases depending on steam temperature requirements Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For large power purposes For small power purposes and high speeds For small power purposes and low speeds Where low speeds are required For large power purposes For small power purposes and high speeds For small power purposes and low speeds Where low speeds are required ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Steam produced in kg/h Steam produced in kg/kg of fuel burnt All of the listed here Amount of water evaporated per hour Steam produced in kg/h Steam produced in kg/kg of fuel burnt All of the listed here Amount of water evaporated per hour ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it Has high heating value Promotes complete combustion Retards electric precipitation Has highly corrosive effect Has high heating value Promotes complete combustion Retards electric precipitation Has highly corrosive effect ANSWER DOWNLOAD EXAMIANS APP
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