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An ideal Diesel cycle has a maximum operating temperature of T3= 862 C and a cut off ratio of 1.19. The state of the air at the beginning of the compression is P1 = 96 kPa and T1 = 15 C. This cycle is executed in a four-stroke, eight-cylinder engine with a cylinder bore of 10 cm and a piston stroke of 12 cm. The minimum volume enclosed in the cylinder is 5 percent of the maximum cylinder volume. Determine the power produced by this engine when it is operated at 1,600 rpm. Use constant specific heats at room temperature.
a mass of 5 kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder device at 125kpa. initially
The rolling resistance of a 1200kg car depends on its weigh as F = 0.006m x gravity. How far will the car roll if at 90km/h the gear is put in neutral on a level road without wind resistance?
consider steady heat conduction in a plane wall whose left surface node 0 is maintained at 40 degrees c while the right
Two reversible engines operate in series between temperatures of 1000 F and 100 F. If the first engine receives 1000 Btu, determine the total work output of this arrangement and the temperature at the inlet to the second engine. Assume that both engi..
a hemisphere shell with mass m and radius r rests on a horizontal table. at the top of the shell there is a hole. the
two 455000-lb locomotives pull 58 230000-lb coal hoppers cars. the train starts from rest and accelerates uniformly to
A rigid, insulated tank that is initially evacuated is connected through a valve to a supply line that carries steam at 4 MPa. Now the valve is opened, and steam is allowed to flow into the tank until the pressure reaches 4 MPa, at which point the va..
two rigid tanks a and b of equal volume v1 m3 are connected by a pipe and valve. initially the valve is closed and the
determine the velocity of a detonation wave propagating through an ideal-gas mixture having a constant specific heat cp
a horizontal axisymmetric jet of air with 10 mm diameter strikes a stationary vertical disk of 200 mm diameter. the jet
steam at 40degrees c condenses on the outside of a 6.40-m-long 3.7-cm-diameter thin horizontal copper tube by cooling
a circumferential fin of rectangular profile is constructed of a material having k 55 wm-oc and is installed on a tube
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