Packaging Engineers do all of the following except: a. sample food items b. establish standards and guidelines for the product c. develop tasting plans d. oversee package development

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.

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

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