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A car tire is pressurized in Ohio to 250 kPa when the temperature is 215-C. The car is driven to Arizona where the temperature of the tire on the asphalt reaches 65-C. Estimate the pressure in the tire in Arizona assuming no air has leaked out and that the volume remains constant.
Why do you think it is important, when using a stroboscope, to start at a very high frequency and slowly reduce the frequency to the point of synchronisation?
Water, initially a saturated vapor at 150 degrees Celsius, is contained in a piston-cylinder assembly. The water undergoes a polytrophic process (n=1) to a pressure of 0.01 MPa, during which the piston moves freely in the cylinder.
if a rectangular box with water accelerates to the right that has the dimensions ofleft side height 40cmlength
consider a lifting flow over a circular cylinder with a diameter of 0.5m.the freestream velocity is 25 ms and the
Steam expands isentropic ally through a turbine from 6MPa and 600C to 9.593 kPa. Write mass, energy, and entropy balances for this process. Calculate the power output if the mass flow is 2 kg/s.
A temperature measuring device with a time constant of 0.15 s outputs a voltage that is linearly proportional to temperature. The device is used to measure an input signal of the form T(t) = 115 + 12 sin 2t, in °C.
a ball is tossed from an upper-story window of a building. the ball is given an initial velocity of 8.20 ms at an angle
2000 kgh of steam drives a turbine that delivers 75 kw of shaft work. superheated steam at 5 bar enetrs the turbine at
a compressed air cylinder initially contains air at 25ordmc and 100 kpa. the volume of the cylinder is 0.01021 m3. the
Consider a one-foot long 1/16" diameter steel wire pulled to a load of 350 pounds, while stretching only 0.045" . What is the calculated modulus in msi (use three significant digits)?
steam flows through a small steam turbine at the rate of 10000 kgh entering at 600oc and 2.0 mpa and emerging at 0.01
A piston-cylinder device contains 1.0 kg of nitrogen gas at 150 kPa and 40oC. The gas is now compressed slowly in a polytropic process during which PV1.3 is constant. The process ends when the volume is reduced by one-half. Determine the entropy chan..
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