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Assuming cold air standard assumptions for a spark ignition engine cycle (Otto) and given the following data: Compression ratio = 9 Intake air is at 14.5 psia and 80 deg F Heat added during the heat addition process: 15000 btu/lb (note: this is equal to the heating value of gasoline) Find: theoretical efficiency for this cycle maximum temperature for the cycle, deg F maximum pressure for the cycle, psia.
A 0.453-Kg mass attached to a light spring elongates it by 7.87mm. Determine the natural frequency of the system.
a rigid well insulated container contains 10 kg of water. a motor connected to a paddle wheel is used to stir the water
Evaluate the maximum height reached by the sphere, and the distance traveled by the block.
Calculating temperature, water evaporation, and heat in a power plant cooling situation. In a nuclear power plant the cooling tower system must be run on a closed cycle.
the 50 kg wheel is a solid circular disk which rolls on the horizontal plane in a circle of 600mm radius. the wheel
determine the headwater depth of a 1000 mm high by 1500mm wide concrete box culvert operating under outlet control
a 14 l of rigid container is filled with 10 kg of r-134a at 300 kpa. determine the temperature oc and total enthalpy kj
a curved nozzle assembly that discharges to the atmosphere is shown. The nozzle mass is 4.5 kg and its internal volume is 0.002 m^3. The fluid is water. determine the reaction force exerted by the nozzle on the coupling to the inlet pipe.
a hydrogen tank 25 cm in diameter and 80 cm in height is charged to 150 atmospheres at room temperature 25 c. a
Water drips at the rate of 5 drops per second from a leaking tap. Determine the vertical distance between two consecutive drops after the lower drop has attained a velocity of 3 m/s.
Determine the surface temperature of the wire during a windy day when the air temperature is 10°C and the wind is blowing across the transmission line at 50 km/h.
a small 0.6-lb collar d can slide on portion ab of a rod which is bent as shown. knowing that r 8 in and that the rod
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