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Air, modeled as an ideal gas, is compressed at a steady state from 1 bar, 300 K, to 5 bar, 500k with150 kW of power input. Heat transfer occurs at a rate of 20 kW from teh air to cooling water circulating in a water jacket enclosing the compressor. Neglecting kinetic and potential energy effects, determine the mass flow rate of the air, in kg/s
nbspmgh12mv212iomega21 show that ??v2 2gh1i where ? i imr2 and thus i is and hence the
A sheet of epoxy reinforced with 60% unidirectional E-glass fibers, where x is the fiber direction. Strains ex= 0.0030, ey=-0.0020, and yxy = .0025 are measured. Estimate the applied stress ox, oy, txy
two barges each with a displacement mass of 550 mg are loosely moored in calm water. a stunt driver starts his 1650-kg
the carpenter builds the square frame abcd and then braces it with member ef as shown in order to prevent racking
You want to use a mini submarine to explore a deep part of the Mariana Trench in the North Pacific Ocean, which is 10,924 meters (35,840 ft or 6.8 miles) below sea level. A salesperson at Hydro subs, Inc., offers to sell you a mini sub that can withs..
xerted on the shaft shown in the figure, which rotates at 1150 rev/min and supports a 10-kip bending force. Use a 1095 HR steel. Specify a diameter d using a design factor of nd = 1.6 for a life of 3 min. The surfaces are machined.
a spring having an unstreched length of 2ft has one end attached to a 10lb ball. determine the angle of the spring when
a pressure vessel made of aluminum alloy 2024-t351 sy 325 mpa and kc 36 mpa-m12 is manufactured for a safety factor
a beer distributor incurs a penalty cost of 2 per case of shortage and a 1 charge per case left over in inventory at
what is the pressure difference over the manometer in newtons per meter?
a 200-ft3min-flow of air at 14.7 psia and 60 f enters a fan with negligible inlet velocity. the fan discharge duel has
a u-tube manometer is connected to a gas pipe. the level of the liquid in the manometer arm open to the atmosphere is
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