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Five liters of liquid n-hexane and 4 liters of liquid n-heptanes are mixed and burned with 4000 gram- moles of air. Not all of the hydrocarbons are burned in the furnace, and both CO and CO2 are formed. If it is possible to do so without additional information, calculate the percent excess air supplied to the furnace: if more information is needed, state what it is and outline the calculation of the percent excess air.
a 2.0 kg of water at 90 deg. c and 1 bar is placed in a vertical cylinder and sealed with a massless piston. the piston
Water is to be supplied at a rate of 5000 kg/s to a hydro-electric generator located at the bottom of a lake at a height h. If the efficiency of the turbine-generator is 75% and of the generator 95%;
a wind turbine of the 3-bladed propeller type having 50 efficiency generates 2 mwe when the wind speed is 14 ms. the
steam is generated in a boiler. if the initial water enters the boiler as saturated water at 1000 psi a h542.4 btuibm
A 10-lb block has an initial velocity of 10 ft/s on a smooth, horizontal plane. A force, F = (2.5 t) lb, where t is in seconds, acts horizontally on the block in its direction of motion. Determine an expression for the distance, s in terms of time, t
a gas is confined by a piston 10 cm in diamater on which rests a weight. the mass of the piston and weight together is
at 25 degree centegrade an aqueous solution containing 35.0 wt h2so4 has a specific gravity of 1.2563. a quantity of
A 2-D reducing bend (of unit width w) is shown below. Note that flow enters the bend at section 1 with a linear velocity profile, but at sections 2 and 3 is uniform. Find the velocity at section 3.
Helium enters subsonically and flows isentropically through the converging-diverging duct. Compare the values of Ma, T/T0, and P/P0 for helium with those for air at several locations in the duct. Use 0.163 ≤ Ma ≤ 3.221.
velocity at impeller exit is 30.5 m/s and the slip factor is .9. Given that the flow area at impeller exit is .1m^2 and the total efficiency of the impeller is 90%, determine the mass flow rate.
an automobile having a mass of 2 mg travels up a 7 degree slope at a constant speed of v100 kmh. if mechanical friction
1.3 kg block b is moving with a velocity v0 of magnitude v02ms as it hits the 0.6-kg sphere a which is at rest and
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