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During some actual expansion and compression processes in piston-cylinder devices, the gases have been observed to satisfy the relationship Pv^n=C, Where n and C are constants. Calculate the work done when a gas expands from 350 kPa and 0.03 m^3 to a final volume of 0.2 m^3 for the case of n=1.5?
a hydraulic system has a mechanical advantage of 4. If a smaller piston has a diameter of 5 inches what is the diameter of the larger piston?
a mass of 5kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder device at 125kpa. initially
Two slender rods of negligible weight are pin-connected at A and attached to the 18-lb block B and the 80-lb block C. The coefficient of static friction is 0.55 between all surfaces of contact. Determine the range of values of P for which equilibr..
a 4 l volume of pressure cooker in a kitchen operates at 200 kpa with an exit area of 10 mm2. with well controlled heat
natural gas is primarily composed of methane ch4 while coal can be modeled as eicosane c20h42. methane has a heat of
a projectile enters a resisting medium at x0 with an initial velocity of vo900fts and travels 4 inches before coming to
steam enters a well-insulated turbine operating at steady state at p14mpa t1320c and a velocity v110ms. the steam
in cooling situations where the desired temperature range is large two refrigeration cycles can be stacked to create a
It is known that the kinetics of recrystallization for some alloy obey the Avrami equation, and that the value of n in the exponential is 8.4. If, at some temperature, the fraction of recrystallization is .30 after 100 min, determine the rate of r..
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.
a compressor pressurizes air from 1 atm to 2.38 atm at steady state. at the entry the airs temperature is 70f whereas
at steady state a refrigeration cycle removes 18000 kjhr of energy by heat transfer from a space maintained at -40oc
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