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A gas injection system supplies a mixture of propane (C3H8) and air to a spark-ignition engine, in the ratio of volumes of 1:30. The mixture is trapped at 1 bar and 300 K, the volumetric compression ratio is 12:1, and the index of compression, k = 1.4. Calculate the equivalence ratio, the maximum pressure and temperature achieved during the cycle, and also the composition (by volume) of the dry exhaust gas.
consider the following setup that sits in a room with a surrounding temperature of 25degc. the pressure and temperature
The cable supports a unit load w which decreases from 100 lb /ft at x = 0 to 40 lb /ft at x = 30 ft with the decrease propor- tional to x2. Determine the equation of the curve assumed by the cable.
A trapezoid is submerged in water so that its flat surface is perpendicular to the free surface and shorter leg is 0.4m below the free surface as shown in Figure. Length of the shorter leg is 1.6m and longer leg is 2.8m. Height of the trapezoid is 1...
an ideal combined rankine cycle contains a reheat and a open feedwater heater this is also referred to as a
A metal-clad heating element of 6-mm diameter and emissivity s = 1 is horizontally immersed in a water bath. The surface temperature of the metal is 255°C under steady-state boiling conditions. Estimate the power dissipation per unit length of the..
a 1 kg block of copper at 350degc is quenched in a 10 kg oil bath initially at ambient temperature of 20degc. calculate
the spring-loaded piston-cylinder device is filled with 0.5 kg of water vapor that is initially at 4 mpa and 400oc.
You have been tasked to design a new shell-and-tube heat exchanger for the chemical plant in which you work. The heat exchanger will utilize cooling water to cool Syltherm 800 (a heat transfer ?uid)
My manufacturing processes professor gave us this question, and said we can use temperatures from our fridge, freezer, etc. I don't even know where to start on this problem, or end for that matter.
point a on circuilar disk is at angular position theta 0 at time t 0. disk has angular velocity omega 0.1 rads at t
what is the minimum diameter wire that can be produced from a 5 mm initial diameter annealed copper wire? k315 mpa
a 2 phase liquid-vapor mixture of 2 kg of water is contained in a rigid insulated tank initially with a pressure of 1
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