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An evacuated 1-ft3 tank is connected by a valve to a nitrogen supply line flowing air at 120 psi and70oF. A valve is opened allowing air to flow into the tank until the pressure reaches 90 psi. How much mass flowed into the tank and what is its final temperature? Assume the process is adiabatic.
the stress strain diagram for polyester resin is given. the rigid beam is supported by strut ab amp post cd made from
a piston-cylinder device contains r-134a. initially the phase is saturated vapor at 160 kpa. the system then undergoes
a freely moving piston holds in 10kg of water at a pressure 400kpa and volume 10m3. the water is cooled to 400c. find
Calculate the temperature of a fluid when both a Fahrenheit and a Celsius thermometer are immersed in it, under the following conditions: a) the numerical reading is identical in both thermometers and b) the Celsius reading is numerically twice that ..
in a refrigerator cycle r-12 enters an evaporator as saturated liquid at 100.4 kpa. it exits with a negligible pressure
Consider a summer air-conditioning system that is required to maintain a room (space) at specified conditions. The layouts of the system as well as the specifications are listed below. Required room temperature 23C, 50% Relative humidity.
Air exerts a pressure of 900KPa within a 0.45 cubic meter container of fixed volume. It is cooled such that the pressure falls to 3.25bar. The temperature of the air is then measured and was found to be 285C. Determine the mass of the air, the initia..
1 a vapor power plant operates with water as the working fluid passing through the cycle at a flow rate of 12 kgs. in
water flows from a storage tank through a horizontal 6-inch pipe cast iron and discharges water 20 degrees celsius into
you are watching an object that is moving in shm. when the object is displaced 0.600m to the right of its equilibrium
Compare and contrast the typical physical properties of metals, ceramics, and polymers. Include a comment as to whether the materials are typically crystalline or amorphous.
in a dual cycle the heat added at constant volume is equal to the heat added at constant pressure. the compression
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