What is meant by the “critical point” of refrigerants like CO2?
a. The temperature above which it can’t condense no matter how high the pressure.
b. The temperature where it exists in 3 states: liquid, vapor, and solid.
c. The temperature at which it may explode if too much pressure is applied.
a. The temperature above which it can’t condense no matter how high the pressure.
You might also like to view...
The ____ drawing shows the member or members that will require joint preparation.
A. detail B. section C. preparation D. assembly
List three benefits of pesticide use
What will be an ideal response?
As a typical example of a bar mark number assigned to a reinforcing bar shown on poured-in-place concrete drawings, 4A1 indicates ____.
A. a quantity of 4, bar type A, and length 1, where 1 is matched to the general legend for the drawings B. a number 4 bar, type A, and quantity of 1 for this bar needed in the job C. a number 4 bar, type A, and it is the first length of bar used in the job D. the code for a particular bar type that is specified in the general legend for the drawings
Parking brake levers may be released by ________
A) Hydraulic pressure B) An electric servo C) Pushing a spring-loaded button D) A vacuum servo