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Three grams of air are contained in a piston-cylinder. Initially, the air temperature and volume are 300K and 2.5 liter. The air is compressed reversibly with no heat transfer to a volume of 0.25 liter.
a. What is the system defined in this problem?b. Is the system open or closed? Explain.c. Name one process between the system and the surroundings mentioned in the problem.d. Name the extensive properties mentioned in the statement.e. Name the intensive properties mentioned in the statement.f. What properties define the first state?g. What properties define the second state?
the 50-kg crate is now projected down an incline as shown with an initial speed of 7 ms. investigate the time t
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starting out a trip from a mountain you inflate the tires on your car to a pressure of 321kpa pi when the temperature
What would happen if the air filter was partially choked. If the piston rings were leaking state what you would expect the results of a, b, c, and d above would be.
a 0.5 m3 insulated rigid tank contains 0.4 kg of air at 100 kpa. 26 kj of work is applied to a paddle-wheel inside the
a 50 kg copper block initially at 350degc is quenched in a closed rigid insulated tank containing 120 l of liquid water
Midrange and amplitude components, A shaft is subjected to a completely reversed bending stress such that Xmax=40kpsi and Xmin=-40kpsi
you are an industrial hygienist for a large distributor of industrial compressed gases who was evacuated to baton rouge
air flowing at 4 kgs is compressed under steady state conditions from state 1 to state 2. the specific enthalpy at
an automobile battery is modeled as a 12v ideal voltage source in series with a 0.3 ohm internal resistance. it is to
aan 8-inch pitch diameter steel gear 3 inches thick face width is pressed onto a 2 inch diameter steel shafte30000000
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