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Air is contained in a piston-cylinder assembly, initially at 40 psia and 600 R. The air expands in a polytropic process with n = k = 1.4 until the volume is doubled. Modelling the air as an ideal gas with constant specific heats, determine:
1) The final temperature in R and pressure in psia, and
2) The work and heat transfer, each in BTU/lbm of air
A simple Rankine cycle with water as the working fluid operates between the pressure limits of 15 MPa in the boiler and 100 kPa in the condenser. Saturated steam vapor enters a turbine. Irreversibilities in the turbine cause the turbine to be 70 perc..
Now our robotics team is trying to tighten one of the ¼" - 20 UNC bolts to hold on the wheels. They are using a wrench that is 6" long. They exert 10 lbs to pull the wheel toward its axle with 110 lbs of force. Fill in the values for this s..
a carnot heat engine using 1 kg of air has the following conditions heat addition beginning at 15 mpa and 1200 k and
heat in the amount of 500kj is transferred directly from a hot reservoir at 727oc to a cold reservoir at 327oc.
What is the acceleration of the truck if the coupling at C suddenly fails? The car wheels are free to roll. Neglect the mass of the wheels.
the tie rod ab and a pipe strut ac are used to support a 100-kn load as shown in the figure. both members are made of
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at a amusement park there are 180kg bumper cars a b and c that have riders as shown with masses 40 kg 60kg and 30 kg
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reflection-existing competenciespart-11. reflect on and self-assess your current achievements of engineers
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