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An inventor claims to have developed a Lenoir engine with an isentropic compression ratio of 8.00 to 1 that produces a combustion temperature of 1500.°C when the intake temperature is 20.0°C. Assuming k = 1.40 and that the engine operates on a cold ASC, show whether or not the inventor's claim is possible. Please show all of your work.
air at 20 c 40 rh is mixed adiabatically with air at 40 c 40 rh in the ratio of 1 kg of the former to 2 kg of latter
A gas turbine (can assume an ideal Brayton cycle) has a pressure ratio of 10. It is connected to an electric generator with an efficiency of 95% which produces 200MW of electricity. The gas turbine burns natural gas with a heating value of 100,000 bt..
consider an ideal steam combined reheat and regenerative cycle in which steam enters the high-pressure turbine at 500
The car travels at a constant speed of 25 m/s makes a turn on a semi-circular curve. If it takes 20s to make the semi-circular turn, determine the magnitude of the car’s acceleration during the turn.
If a current of 80.0 mA exists in a metal wire, how many electrons flow past a given cross section of the wire in 10.0 min?
1. (a) Contrast the manner in which stress relaxation and viscoelastic creep tests are conducted. (b) For each of these tests, cite the experimental parameter of interest and how it is determined.
a pendulum consisting of a bob of mass m is suspended from a massless inextensible string of length l in a viscous
The spool has a mass of 50 kg and a radius of gyration of kO = 0.280 m. If the 20-kg block A is released from rest, determine the distance the block must fall in order for the spool to have an angular velocity v = 5 rad>s. Also, what is the tension i..
the annual cost of operating a heat pump at year-end prices is r with units of yr. the costs are expected to inflate at
In order for a dc motor to function properly, it must be protected from physical damage during the starting period. At starting conditions, the motor is not turning, and so EA = 0V. Since the internal resistance of a normal DC motor is very low, a..
The open-loop gain A of real (nonideal) op-amps is very large at low frequencies but decreases markedly as frequency increases. As a result, the closed-loop gain of op-amp circuits can be strongly dependent on ω = 4 × 103 rad/s determine
In a tension test, the following values of engineering stress and strain were found: s = 133.3 MPa at e = 0.05, s = 155.2 MPa at e = 0.10, and s = 166.3 MPa at e = 0.15.
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