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A cylinder fitted with a movable piston contains water at 3 MPa, 50% quality, at which point the volume is 20 L.
A cylinder fitted with a frictionless piston contains 4 lbm of superheated refrigerant R-134a vapor at 400 lbf/in 2, 200 F.
A cylinder fitted with a frictionless piston contains 0.2 kg of saturated (both liquid and vapor present) R-12 at -20oC.
A cylinder fitted with a piston contains liquid methanol at 20?C, 100 kPa and volume 10 L. The piston is moved, compressing the methanol to 20 MPa
A cylinder fitted with a piston contains ammonia at 120 F, 20% quality with a volume of 60 in 3. The ammonia expands slowly, and during this process
A cylinder fitted with a piston contains air at 400 K, 1.0 MPa, at which point the volume is 100 L. The air now expands to a final state at 300 K, 200 kPa
A cylinder fitted with a piston contains 0.5 kg of R-134a at 60°C, with a quality of 50 percent. The R-134a now expands in an internally reversible polytropic
A cylinder fitted with a movable piston contains propane, initially at 67oC and 50 % quality, at which point the volume is 2 L.
A cylinder having an initial volume of 3 m3 contains 0.1 kg of water at 40°C. The water is then compressed in an isothermal quasi-equilibrium process
The spring constant is 150kN/m. Heat is rejected from the system, and the piston moves until 6.25 kJ of work has been done on the ammonia.
A cylinder fitted with a piston contains propane gas at 100 kPa, 300 K with a volume of 0.2 m3. The gas is now slowly compressed according to the relation
A cylinder with a frictionless piston contains steam at 2 MPa, 500?C with a volume of 5 L. The external piston force is proportional to cylinder volume cubed
A cylinder with a constant load on the piston contains water at 500 kPa, 20°C and volume of 1 L. The bottom of the cylinder is connected with no heat transfer
A cylinder of compacted scrap metal measuring 2 m in length and 0.5 m in diameter is suspended from a spring scale at a location where the acceleration
A cylinder is fitted with a 4-in.-diameter piston that is restrained by a linear spring (force proportional to distance)
A copper wire of diameter 2 mm is 10 m long and stretched out between two posts. The normal stress (pressure) s = E (L - Lo)/Lo, depends on the length L
A cooking pan whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid.
A convergent nozzle has a minimum area of 1 ft2 and receives air at 25 lbf/in 2, 1800 R flowing with 330 ft/s. What is the back pressure that will produce
A convergent nozzle has minimum area of 0.1 m2 and receives air at 175 kPa, 1000 K flowing with 100 m/s.
A convergent nozzle with exit diameter of 1 in. has an air inlet flow of 68 F, 14.7 lbf/in 2 (stagnation conditions)
A convergent-divergent nozzle has a throat area of 100 mm2 and an exit area of 175 mm2. The inlet flow is helium at a total pressure of 1 MPa
A cylinder contains ethylene, C2H4, at 1.536 MPa, -13°C. It is now compressed in a reversible isobaric (constant P) process to saturated liquid.
A crane lifts a bucket of cement with a total mass of 450 kg vertically up with a constant velocity of 2 m/s. Find the rate of work needed to do that.
A counter flowing heat exchanger cools air at 600 K, 400 kPa to 320 K using a supply of water at 20?C, 200 kPa.
A cooler in an air conditioner brings 0.5 kg/s air at 35oC to 5oC, both at 101 kPa and it then mix the output with a flow of 0.25 kg/s air at 20oC