An isentropic compressor compresses r-134a initially at 140 kpa and -10c∘ to 1000 kpa at a rate of 1.33 kg/s. what is the temperature of the r-134 when it exits the compressor in c? how much power is needed to run this compressor in kw?

Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.

Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.

Burgers vector is generally parallel to the dislocation line. a)-true b)-false