Apiston-cylinder device contains 5 kg of air at 400 kpa and 30°c. during a quasi-equilibium isothermal expansion process, 15 kj of boundary work is done by the system, and 3 kj of paddle-wheel work is done on the system. the heat transfer during this process is:

Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86

True or false (explain) (110)[111] is a slip system in bcc metals . the {111} family in fcc contains 8 planes. resolved shear stress (rss) in single crystals is just related to the applied stress. critical resolved shear stress (crss) in single crystal metals is direct proportional to the number of defects in the structure

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