206 Unit 21 Grade REVIEW TEST Date 8. Changing state from a liquid to a gas is c

Question

206 Unit 21 Grade REVIEW TEST Date 8. Changing state from a liquid to a gas is condensingD. starving. Circle the letter that indicates the correct asv called C. boiling. A. rejects heat from the conditioned space. B. absorbs heat from the conditioned space. C. feeds a partial vapor to the compressor 1. The evaporator in a refrigeration systenm B. flooding. 9. If the evaporator temperature is below 3 must be some provision for A. defrost. B, adding refrigerant. C. increasing the rate of vaporization. D. flooding the evaporator D. foeds the liquid refrigerant to the compressor 2. Refrigerant entering the evaporator is approxsi- A. 50% B. 25% C. 10% D. 75% 10. The expansion dervice is located 3. An evaporator made up of two pieces of sheet metal that have an impression o is called a A. finned-tube B. dry-type C stamped A. compressor and condenser B. evaporator and compressor C. condenser and evaporator. 11. Off-cycle defrost occurs A. with supplemental electric heat when the system is shut down B. with hot gas when the system is operating C. from the space temperature when the system s 4. Heat that is added to the refrigerant after it has all vaporized is called A. superheat B. latent heat C. artificial heat. D, extended heat. shut down D. with hot liquid refrigerant from the compresso 12. A saturated vapor condition exists when S. A large or long evaporator would probably have A. stainless steel tubing. B. an excess of liquid refrigerant. C. an excess of vapor refrigerant. D. multiple refrigerant circuits. A. there is still liquid refrigerant in the evaporato B. all of the liquid has boiled to a vapor C. there is excessive superheat D, there is evaporator flooding. 13. Another name for expansion device is 6. The refrigerant leaving the compressor is often referred to as A. hot liquid refrigerant. B. hot gas. C. a partial liquid. D. condensed vapor A. liquid-line receiver. B. suction-line filter drier. C. high-side service valve. D. metering device. 14. A direct-expansion-type evaporator is also 7. A typical evaporator temperature in an air- conditioning system is A. 40"E B. 55 F A. flooded evaporator B. dry-type evaporator. C. multiple-circuit evaporator. D. stamped evaporator. C. 75°F O 2017 Cengage Learning. All Rights Reserved May not be scanned, copied or duplicated or posted to a cessible website, in whole or in part. not be

Explanation / Answer

1)The function of a evaporator is to absorb or remove heat from the conditioned space.

In evaporator, liquid refrigerant is expanded or evaporated absorbing heat into the refrigeration space.

Option (B) is correct

Related Questions

Navigate

• Browse (All)
• Browse 2
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.