Refrigerant - Study guides, Class notes & Summaries

IICRC WRT 2023/ 2024 Test Questions and Verified Answers| 100% Correct| Grade A (Latest Update) Q: When pre-existing damage is discovered, restorer should Answer: D. document and bring it to the attention of materially interested parties Q: Rapid drying of structural materials is achieved by Answer: A. promoting evaporation and dehumidification or ventilation Q: When carpet and cushion (pad, underlay) are saturated with Category 3 water Answer: B. Both should b...

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - Answer 80% Ozone layer absorbs and scatters ________ from the sun - Answer Ultraviolet light An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. - Answer $10,000 Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States - Answer Jan 1, 1996 R-134a is a chlorine...

Low GWP Refrigerant Practice Exam With Verified And Updated Questions And Answers. The minimum concentration of a refrigerant that can propagate a flame through a consistent mixture of the refrigerant and air is known as the: Acute toxicity exposure limit (ATELL). Immediately dangerous to life or health concentration (IDLH). Lower flmmability limit (LFL). Upper explosive limit (UEL). - answerLower flmmability limit (LFL). The first stage of the evacuation process which removes non-conde...

ESCO Light Commercial Refrigeration EXAM 2024/2025 with Complete Solutions. In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: A. operate at high efficiency. B. ensure that frost does not accumulate. C. sub-cool the compressor. D. ensure proper oil return. - Answer - A. operate at high efficiency. The difference between the temperature of the refrigerant boiling in the evaporator and the temperature at t...

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. : 80% Ozone layer absorbs and scatters ________ from the sun : Ultraviolet light An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. : $10,000 Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States : Jan 1, 1996 R-134a is a chlorine-free refrigerant : True 2...

Low GWP Refrigerant Practice Questions with Verified Answers After installation, the refrigerant piping for an A2L system must be: cleaned with an alcohol-based solution to remove grease and oil. pressurized with dry nitrogen to perform a leak test. pressurized with a non-flammable refrigerant (A1) to perform a leak test. vibration tested using whichever method is approved by the local code authority. pressurized with dry nitrogen to perform a leak test. After reaching the re...

ESCO Light Commercial Refrigeration EXAM with Complete Solutions In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: ️️ The difference between the temperature of the refrigerant boiling in the evaporator and the temperature at theevaporator outlet is known as: ️️ An expansion device that is stuck open will cause: ️️ When measuring evaporator superheat on a commercial system that has a long su...

Q-01 FDNY COMPLETE ACTUAL EXAM / 200+ WELL STRUCTURED QUESTIONS AND CORRECT ANSWERS 2023/2024 LATEST VERSION. 2 / 24 1. Rupture members,when used in parallel with a relief valve,are not to exceed % above designed working pressure: 20% 2. Butterfly valve: where can it be used?: Can be used on the inlet and outlet ofa water pump 3. What electrical motor protection device automatically resets itself?: Thethermal protector 4. 746 watts equals how many kilowatt hours?: .746 kilowatt hours 5...

IICRC WRT 2024 / 2025 Test Questions and Verified Answers | 100% Correct | Grade A (Latest Update) Q: When pre-existing damage is discovered, restorer should Answer: D. document and bring it to the attention of materially interested parties Q: Rapid drying of structural materials is achieved by Answer: A. promoting evaporation and dehumidification or ventilation Q: When carpet and cushion (pad, underlay) are saturated with Category 3 water Answer: B. Both should be removed for proper disposal Q:...

Q-01 FDNY Questions And Revised Correct Answers PASSED!! Rupture members, when used in parallel with a relief valve, are not to exceed _____% above designed working pressure - ANSWER : 20% Butterfly valve: where can it be used? - ANSWER : Can be used on the inlet and outlet of a water pump What electrical motor protection device automatically resets itself? - ANSWER : The thermal protector 746 watts equals how many kilowatt hours? - ANSWER : .746 kilowatt hours What position is...