Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The balanced draft furnace is one using Any one of the above Induced draft fan and forced draft fan Induced draft fan and chimney Forced draft fan and chimney Any one of the above Induced draft fan and forced draft fan Induced draft fan and chimney Forced draft fan and chimney 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 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 373°C 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 373°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Incomplete combustion can be best judged by Measuring carbon monoxide in flue gases Smoky chimney exit Excess air in flue gases Measuring temperature of flue gases at exit of furnace Measuring carbon monoxide in flue gases Smoky chimney exit Excess air in flue gases Measuring temperature of flue gases at exit of furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a cross-head is to guide motion of the _________ and to prevent it from bending. Eccentric rod Valve rod Connecting rod Piston rod Eccentric rod Valve rod Connecting rod Piston rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The power of a boiler may be defined as The amount of water evaporated or steam produced in kg per kg of fuel burnt The amount of water evaporated from and at 100° C into dry and saturated steam 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 or steam produced in kg per kg of fuel burnt The amount of water evaporated from and at 100° C into dry and saturated steam 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 ANSWER DOWNLOAD EXAMIANS APP
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