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A piston/cylinder arrangement contains water of quality x = 0.7 in the initial volume of 0.1 m3, where the piston applies a constant pressure of 200 kPa. The system is now heated to a final temperature of 200°C. Determine the work and the heat transfer in the process.
Air at 100oF and 1 atm flows from a clothes dryer. According to the manufacturer, the 4-inch-diameter galvanized iron vent on the clothes dryer is not to contain more than 20 ft of pipe . Under these conditions, determine the air flow rate if the pre..
The dam is to be built such that the estimated average flow over its crest will be Q = 3000 m^3/s. Determine the required flow over the crest of a model built to a scale of 1/25
1. a hydro-electric plant is used to convert the potential energy of the water behind the dam into electricity. the
A gear set has a module of 5mm, a 20° pressure angle, and a 24-tooth case-iron spur pinion driving a 48-tooth case-iron gear. The pinion is to rotate at 50 rev/min. What horsepower input can be used with this gear set if the contact stress is limited..
a symmetrical wedge having a total vertex angle of 60 degrees is traveling at mach number of 3 at an altitude of 15 km.
A rigid tank of 1 m3 contains nitrogen gas at 600 kPa, 400 K. By mistake someone lets 0.5 kg flow out. If the final temperature is 375 K what is then the final pressure?
1. It is desired that the reflectivity of light at normal incidence to the surface of a trans- parent medium be less than 5.0%. Which of the following materials in Table 21.1 are likely candidates: soda-lime glass, Pyrex glass, periclase, spinel,..
A horizontal flat plate is in a free stream of air at T_{\infty } = 290K and u_{\infty } = 0.05m/s. The flat plate’s length (in the direction of the free-stream velocity) is L = 2m, its width is w = 0.5m and its temperature is T = 310K. Find the tota..
a steel plate of 12-in outer diameter is fabricated from 14in thick plate by welding along a helix that forms an angle
Both cars undergo constant acceleration. Determine the time when the two cars pass each other on the highway.
a rigid container having a volume of 1.2 m3 contains 10 percent by volume of liquid water at 100 kpa. the remaining
Derive an equation that relates the distance d to the time of flight ?t.
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