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Summary

This document contains a set of questions related to refrigerants and HVAC principles. The questions cover topics such as refrigerant compounds, heat exchangers, and the removal of contaminants from refrigerants.

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1/19/24, 10:58 AM Print Questions 1. Fill in the blank with the correct term learned from your study of this module. 1. A company must​________ any used refrigerant to meet the standards of purity required of new refrigerant before it can be resold. 2. A refrigerant compound that contains​hydrogen...

1/19/24, 10:58 AM Print Questions 1. Fill in the blank with the correct term learned from your study of this module. 1. A company must​________ any used refrigerant to meet the standards of purity required of new refrigerant before it can be resold. 2. A refrigerant compound that contains​hydrogen, chlorine,​fluorine, and carbon is called​a(n) ________. (1) (2) 3. A ​ (n) ________ is a heat exchanger that transfers heat from the air or liquid flowing over it to the cooler refrigerant flowing through it. (3) 4. To​________ a refrigerant means to remove it from a system and place it in containers approved for that purpose. (4) 5. A refrigerant metering device is commonly referred to as​a(n) ________. 6. A ​ (n) ________ is a heat exchanger that transfers heat from the refrigerant flowing inside it to the air or water flowing over​it, enabling the change of state from a vapor to a liquid. 7. A refrigerant compound that contains​chlorine, fluorine, and carbon is called​a(n) ________. (1) Chlorofluorocarbon (CFC) Hydrochlorofluorocarbon (HCFC) Condenser Reclaim Evaporator Recover (5) (6) (7) Expansion device (2) Chlorofluorocarbon (CFC) Hydrochlorofluorocarbon (HCFC) Condenser Reclaim Evaporator Recover Expansion device (3) Chlorofluorocarbon (CFC) Hydrochlorofluorocarbon (HCFC) Condenser Reclaim Evaporator Recover Expansion device (4) Chlorofluorocarbon (CFC) Hydrochlorofluorocarbon (HCFC) Condenser Reclaim Evaporator Recover Expansion device (5) Chlorofluorocarbon (CFC) Hydrochlorofluorocarbon (HCFC) Condenser Reclaim Evaporator Recover Expansion device (6) Chlorofluorocarbon (CFC) Hydrochlorofluorocarbon (HCFC) Condenser Reclaim Evaporator Recover Expansion device (7) Chlorofluorocarbon (CFC) Hydrochlorofluorocarbon (HCFC) Condenser Reclaim Evaporator Recover Expansion device https://tdx.acs.pearsonprd.tech/api/v1/print/highered 1/3 1/19/24, 10:58 AM Print Questions 2. Fill in the blank with the correct term learned from your study of this module. 1. Units that can produce heat by reversing the mechanical refrigeration cycle are called​________. 2. ​________ systems use water as a​heat-transfer medium. 3. Designing a building that focuses on minimizing environmental impact and energy consumption means that​you'll need to use​________ techniques. (3) 4. A​colorless, tasteless, and odorless toxic gas that is a common byproduct of combustion processes is​________. (4) 5. A substance that contains no water can be referred to as​________. 6. Cooling units that typically contain a​compressor, condenser​coil, condenser​fan, and devices for compressor control and operation are called​________. (6) 7. The​________ results in heat being trapped below​Earth's atmosphere instead of allowing it to radiate into space. (7) (1) Anhydrous Heat pumps Carbon monoxide (CO) Condensing units (2) (2) (5) Anhydrous Heat pumps Hydronic Carbon monoxide (CO) Hydronic Sustainable construction Condensing units Sustainable construction Greenhouse effect (3) (1) Greenhouse effect Anhydrous Heat pumps Carbon monoxide (CO) Hydronic Condensing units Sustainable construction Greenhouse effect (4) (5) Anhydrous Heat pumps Anhydrous Heat pumps Carbon monoxide (CO) Hydronic Carbon monoxide (CO) Hydronic Condensing units Sustainable construction Condensing units Sustainable construction Greenhouse effect (6) Greenhouse effect Anhydrous Heat pumps Carbon monoxide (CO) Condensing units (7) Anhydrous Heat pumps Hydronic Carbon monoxide (CO) Hydronic Sustainable construction Condensing units Sustainable construction Greenhouse effect https://tdx.acs.pearsonprd.tech/api/v1/print/highered Greenhouse effect 2/3 1/19/24, 10:58 AM Print Questions 3. Fill in the blank with the correct term learned from your study of this module. 1. The process that depends on machinery and​phase-changing refrigerants to absorb heat from one location and transfer it to another location is called the​________. 2. The movement of heat energy from a warmer substance to a cooler substance is known as​________. (1) (2) 3. To​________ a refrigerant means to circulate it through filtering devices to remove​moisture, acid, and other​contaminants, in the shop or in the field. (3) 4. A substance harmful to your health and potentially lethal is said to be​________. (4) 5. ​A(n) ________ is designed to cool water for comfort cooling or industrial processes. (5) 6. The mechanical device that converts​low-pressure, low-temperature refrigerant vapor into​high-temperature, high-pressure vapor is the​________. (6) 7. A funded performance​guarantee, called​a(n) ________, might have to be posted by a contractor to gain licensure. (7) (1) Chiller Noxious Compressor Heat transfer (2) Chiller Noxious Recycle Compressor Recycle Surety bond Heat transfer Surety bond Mechanical refrigeration cycle (3) Mechanical refrigeration cycle (4) Chiller Noxious Chiller Noxious Compressor Recycle Compressor Recycle Heat transfer Surety bond Heat transfer Surety bond Mechanical refrigeration cycle (5) Mechanical refrigeration cycle (6) Chiller Noxious Chiller Noxious Compressor Recycle Compressor Recycle Heat transfer Surety bond Heat transfer Surety bond Mechanical refrigeration cycle (7) Mechanical refrigeration cycle Chiller Noxious Compressor Recycle Heat transfer Surety bond Mechanical refrigeration cycle 4. Fill in the blank with the correct term learned from your study of this module. 1. ​________ describes the uncontrolled entry of outside air into a building or occupied space. 2. Exposure to​________ can reduce or eliminate bacteria and viruses. 3. ​________ is a flexible sealant used to seal duct and insulation joints. (1) Infiltration (2) Infiltration (3) (2) (3) Infiltration Mastic Mastic Mastic Ultraviolet (UV) light Ultraviolet (UV) light Ultraviolet (UV) light https://tdx.acs.pearsonprd.tech/api/v1/print/highered (1) 3/3

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