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SIXTEEN kg of AIR and TWO kg of HELIUM GAS are sealed in a rigid and insulated internal-piston-cylinder device. Initially the helium is at 800 K, the air is at 300 K and both gases are at rest at a pressure of 100 kPa. The rigid piston moves freely (without friction) and conducts heat from the hot gas to the cold gas. The mass and energy of the piston material are negligible. Use the gas data @ 300 K from the class equation sheet. Complete a property table for the AIR & HELIUM GAS. Determine the pressure and temperature when the gases finally reach equilibrium.
a 60-kg block of nickel at 5c and a 35-kg block of silver at 50c are placed in a very large lake where the water
Determine the power generated by the motor M at this instant if it operates with an efficiency of epsilon = 0.8.
a barometer is used to measure atmospheric pressure contains mercury with a density of 13590 kgm3. if the local
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A new cast iron pipe is 5 km long and 15 mm diameter is used to convey water at a rate of 0.0150m3s-1. Given the absolute roughness of the pipe is 0.26 mm, density of water is 998 kg/m3 and dynamic viscosity of water is 1.14 × 10-3 kgm 1s-1.
Tensile force formulas, A cylindrical steel beam is 2 inches diameter and 6 feet long. The modulus of elasticity is 30 x 1,000,000 psi. If the beam is subjected to a tensile force of 1000 lbs, what will be the resulting unit strain?
At what location S will the combined moment of the weights of the man and platform about point B be zero?
a heat pump is to be used to heat a building during the winter. the building is to be maintained at 24.2 celsiius at
a circular plate 2.5 m in diameter is submerged in an oil of specific gravity 0.8. the maximum and minimum depths of
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