2. An engino's operating temperature is usually (A) 82°F and 99 F (B) 100 F and 120-F (C) 125 F and 150 F (D) 180 F and 210 F

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length

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