The Phase Diagram for a Pure Substance Is Given Below

question 15

Multiple Choice

The phase diagram for a pure substance is given below.What is the critical temperature?

• A)0 K
• B)250 K
• C)300 K
• D)400 K
• E)200 K

---

Definitions:

Tertiary Plane

A plane that is oriented to intersect or be parallel with the primary and secondary planes in a three-dimensional coordinate system.

Primary Datum

A reference point, line, or plane from which dimensions are measured in technical drawing or CAD modeling.

Secondary Datum

A reference point, line, or surface used in conjunction with primary datums to establish a part’s orientation or location for measurement and manufacturing.

Geometric Tolerances

Specifications on a technical drawing, denoted by symbols, that dictate the allowable deviation in the form, orientation, location, and profile of a part's features.