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A piston-cylinder device contains products of combustion from the combustion of a hydrocarbon fuel with air. The combustion process results in a mixture that has the composition on a volume basis as follows: 4.89 percent carbon dioxide, 6.50 percent water vapor, 12.20 percent oxygen, and 76.41 percent nitrogen. This mixture is initially at 1800 K and 1 MPa and expands in an adiabatic, reversible process to 200 kPa. Determine the work done on the piston by the gas, in kJ/kg of mixture. Treat the water vapor as an ideal gas.
the reynolds number re is a dimensionless number used in fluid mechanics and is defined as repvdu where p is the fluid
Consider a supersonic wind tunnel with test section Mach number of 2 and fixed geometry diffuser designed to operate with minimum stagnation pressure losses (smallest diffuser area).
The weight of a water tank open to the atmosphere is balanced by a counterweight equidistant from the fulcrum. There is a 4-cm hole at the bottom of the tank, and water level in the tank is maintained constant at 50 cm by water entering the tank hori..
a piston held by a pin in an insulated cylinder shown in figure above right contains 2 kg water at 100c quality 98. the
Assume that the charge cooler incoming cooling water is at 45 oC and its effectiveness is 80% and the air pressure loss in charge cooler is 10 kN/m2, calculate the air temperature and density at the outlet of the charge cooler. Estimate the % increas..
one kmol of argon at 300 k is initially confined to one side of a rigid insulated container divided into equal volumes
hot water from a thermal spring is proposed as the heat source for a power cycle. if water is available at 95 c and a
a 23 kg crate rests on a 10 kg hand cart as shown. the center of mass of the combined cratecart is at c. the cart is
a beam of square cross section bd20cm is 2 m long and simply supported at both ends. it carries a 100 n point load
a 2.5 cm thick layer of insulation k 1.5 wm oc is applied to a plane surface so that the inner surface of the
At steady state, air at 200 kPa, 325 K, and mass flow rate of 0.5 kg/s enters an insulated duct having differing inlet and exit cross-sectional areas. The inlet cross-sectional area is 6 cm2. At the duct exit, the pressure of the air is 100 kPa and t..
Two equal masses are connected on either side of a pulley. One of the masses rests on an inclined plane with angle of inclination of b. The other one hangs in mid air.
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