Steam Boilers, Engines, Nozzles and Turbines Besides mean effective pressure, the data required to determine the indicated power of an engine include Specific fuel consumption, speed of rotation and torque Piston diameter, length of stroke and speed of rotation Piston diameter, length of stroke and calorific value of fuel Piston diameter, specific fuel consumption and Calorific value of fuel Specific fuel consumption, speed of rotation and torque Piston diameter, length of stroke and speed of rotation Piston diameter, length of stroke and calorific value of fuel Piston diameter, specific fuel consumption and Calorific value of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation is defined as The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace The evaporation of 15.653 kg of water per hour from and at 100°C The amount of water evaporated from and at 100°C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace The evaporation of 15.653 kg of water per hour from and at 100°C The amount of water evaporated from and at 100°C into dry and saturated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Induced draught Natural draught Forced draught Balanced draught Induced draught Natural draught Forced draught Balanced draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder Decreases the efficiency of the engine Increases the mean effective pressure Increases the workdone All of these Decreases the efficiency of the engine Increases the mean effective pressure Increases the workdone All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) 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 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C ANSWER DOWNLOAD EXAMIANS APP
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