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 The actual power generated in the engine cylinder is called None of these Frictional power Indicated power Brake power None of these Frictional power Indicated power Brake power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ultimate analysis of fuel lists Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Behaves unpredictably Remain same Decreases Increases Behaves unpredictably Remain same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 282 kW 302 kW 296 kW 260 kW 282 kW 302 kW 296 kW 260 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is To transfer motion from the piston to the cross-head None of these To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To guide motion of the piston rod and to prevent it from bending To transfer motion from the piston to the cross-head None of these To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To guide motion of the piston rod and to prevent it from bending ANSWER DOWNLOAD EXAMIANS APP
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