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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.
water flows through a pipe ab 1.2 m diameter at 3 ms and then passes through a pipe bc 1.5 mdiameter. at c the pipe
A combined cycle power plant burns natural gas and produces 600MW and has an efficiency of 48%. Find the whole sale cost of natural gas and determine the cost of the fuel burned per second for the plant to produce it rated output of 600MW
air expands in a piston-cylinder device with a polytropic exponent of 1.3. the initial pressure and temperature were
The equation of motion for the system of Fig. P2.59 with Coulomb damping can be written as m + kx - mu F sgn( ) where sgn ( ) = plus minus 1 (i.e., sgn ( ) = +1 when is positive and -1 when is negative) The general solution to this equation is x(t) =..
a well-known industrial firm has issued 1000 bonds that carry 4 nominal annual interest paid semiannually. the bonds
Hot water is provided to a house by an electric water heater which uses a 60L tank. The electric heater is rated for a 1.6kW. The hot water tank is completely full with water at 80°C when someone starts a shower. The shower faucet mixes cold water at..
two rods made of copper and steel are positioned between two rigid walls as shown. calculate the force in the rods if
in an air-standard brayton cycle air enters the compressor at 1000 lbmhr 14.7 psia and 40degf and exits at 70 psig. the
a what is the approximate ductility el of a brass alloy that has a yield strength of 275 mpa? what is the tensile
2 forces are acting -20 and 20 ft away from the origin. each force is 1000 lbf and they are acting 60 degrees from the
a calculate the number of electrons in a small electrically neutral silver pin that has a mass of 8.0 g. silver has 47
For some metal alloy, a true stress of 345 MPa (50040 psi) produces a plastic true strain of 0.02. How much will a specimen of this material elongate when a true stress of 417 MPa (60480 psi) is applied if the original length is 470 mm (18.50 in.)? A..
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