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 Increases Remains unchanged Decreases Increases/decreases depending on steam temperature requirements Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The nozzle efficiency is the ratio of Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Below dew point temperature of flue gases Less than wet bulb temperature of flue gases Above dew point temperature of flue gases 100°C Below dew point temperature of flue gases Less than wet bulb temperature of flue gases Above dew point temperature of flue gases 100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Number of stages Direction of steam flow Mode of steam action All of these Number of stages Direction of steam flow Mode of steam action All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 147 fire tubes and 34 superheated tubes 167 fire tubes and 14 superheated tubes 137 fire tubes and 44 superheated tubes 157 fire tubes and 24 superheated tubes 147 fire tubes and 34 superheated tubes 167 fire tubes and 14 superheated tubes 137 fire tubes and 44 superheated tubes 157 fire tubes and 24 superheated tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Former occupies less space for same power Former is used for high installed capacity Chances of explosion are less in former case Rate of steam flow is more in former case Former occupies less space for same power Former is used for high installed capacity Chances of explosion are less in former case Rate of steam flow is more in former case ANSWER DOWNLOAD EXAMIANS APP
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