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1. Pentane (C5H12) burns with air so that a fraction x of the carbon is converted to CO2. The remaining carbon appears as CO. There is no free O2 in the products. Develop plots of the air-fuel ratio and the percent of theoretical air versus x, for x ranging from zero to unity.
2. For each of the following mixtures, determine the equivalence ratio and indicate if the mixture is lean or rich:
(a) 1 kmol of butane (C4H10) and 32 kmol of air.
(b) 1 lb of propane (C3H8) and 14.5 lb of air.
a radial slider crank mechanism having a crank length of 2 inches and a coupler length of 8 inches operates at a
an ideal gas carnot cycle with air in a piston cylinder has a high temperature of 1200 k and a heat rejection at 400 k.
Micro structural analysis of a slowly cooled Al-Si alloy indicates there is a 6 volume % silicon-rich proeutectic phase. Calculate the overall alloy composition (in weight percent).
It is claimed that a refrigerator requiring 400 W of power (W) receives heat from cold storage (low temperature source, TL) at 200 K and rejects heat at the rate of 600 W (QH) to an environment at 600 K (high temperature reservoir, TH). Calculate the..
a hypersonic gun tunnel is used to generate short-duration high-speed flows and typically consists of two cylindrical
A cable drum for a crane is to rotate between 160 and 166 rpm. Design a gear drive for 25 hp in which the input pinion rotates at 925 rpm and the output rotates with the drum. The crane is expected to operate with a 50% duty cycle for 120 hours per w..
a roast is in an oven and weighs 2.25 kg. it is initially at 6 degrees celsius and needs to be heated to 80 degrees
a 2 cm by 2 cm by 2 cm rubber engine mount e 30 mpa poisson ratio 0.4999 must support a 300 kg motor. what maximum
(a) What is the weight of the water this boat displaces when floating in salt water of density 1.10 x 103 kg/m3? (b) What is the difference between the volume of fresh water displaced and the volume of salt water displaced?
question 1if the velocity potential can be described byphi -b4 x-yx ywhere b is some constant what is the formula for
1. An aluminum bar 125 mm (5.0 in.) long and having a square cross section 16.5 mm (0.65 in.) on an edge is pulled in tension with a load of 66,700 N (15,000 lbf), and experiences an elongation of 0.43 mm (1.7 X 10-2 in.). Assuming that the defo..
consider a reheat cycle with steam leaving the boiler and entering the turbine at 4 mpa and 400 c . after expanded in
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