1. The Celsius scale is based on boiling water having a temperature at sea level of _____.

2. Most all of today’s standard refrigerant gauge manifolds have a high-pressure gauge that goes up to _____.

3. Which of the following control devices is often used in both a primary and a secondary control role?

4. When heat is carried from one object to another by means of a moving liquid or gas, it is being transferred by _____.

5. When the temperature of a vapor is higher than its boiling point, the vapor is _____.

6. Which type of condenser is generally used only with small domestic refrigeration systems?

7. Subcooling occurs _____.

8. In a semi-hermetic compressor, _____.

9. The substance in refrigerants that is primarily responsible for damaging the ozone layer is _____.

10. Which of the following metering devices responds to changes in the superheat of the refrigerant vapor leaving the evaporator?