Define the difference between yield stress and proof stress

In a reversible process both the system and surrondings can be returned to their initial states. a) - True b) - False

When you generate a random number using your calculator, the random number you get is uniformly distributed over the interval (0, 1). Suppose 50 people in Stat 322 class generate one random number each (independently).

6. PVC boxes are primarily used in new construction because it is simple to them to rafters or studs.

The steel 4140 steel contains 0.4% C, however, it shows higher yield strength and ultimate strength than that of the 1045 (0.45% C explain why)

What is a robot's work envelope? A. the protective covering around its control system B. the region of space through which its arms can reach C. the set of processes that it can perform D. the region of space it occupies

What minimum radius of curvature may be designed for safe operation of vehicles at 70 mi/hr if the maximum rate of superelevation (e) is 6% and the maximum coefficient of side friction (f) is 0.10?

Determine the temperature, in K, of 5 kg of air at a pressure of 0.3 MPa and a volume of 2.2 m3. Ideal gas behavior can be assumed for air under these conditions.

2. What is an important aspect of the American free enterprise system that encourages people to improve their material well-being? (profit motive)

It is suggested that the kitchen in your house could be cooled in the summer by closing the kitched from the rest of the house and opening the door to the domestic electric refrigerator. Is it true or false? State the reason for your conclusion.

True or false Make sure all guard are in place and working at all times