Hvac 2024 - Study guides, Class notes & Summaries

HVAC: EPA 608 Certification Study Guide Questions and Answers | Latest Version | 2024/2025 | Rated A+ Are there alternative refrigerants that can be directly used in systems originally designed for R- 12? Why or why not? No, because these new refrigerants are not compatible with the lubricants and oils used in R- 12 systems. Explanation: The oils and lubricants in R-12 systems cannot properly interact with newer refrigerants, making direct replacements unfeasible. What type of o...

HVAC 2024 Test Questions with Correct Answers airflow - Answer-the distribution or movement of air. air handler - Answer-indoor part of an air conditioner that moves cooled or heated air throughout the ductwork of your home. Usually a furnace or blower coil. BTU - Answer-British thermal unit. Unit of heat energy. central air conditioning system - Answer-system in which air is treated at a central location and distributed to and from rooms by one or more fans and a series of ducts. ...

HVAC NATE Gas Heat Exam Prep (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: Differential pressure gauge (also called a manometer) is used to... Answer: Measure duct static pressure Question: A line voltage fuse is used to protect from... Answer: Excessive voltage Question: Forced air residential/ light commercial gas furnaces provide heat by... Answer: Circulating air across the heat exchanger Question: No mechanical fasten...

Adjuster Pro Exam 2024 Questions and Answers John is doing some lawn maintenance using a steel blade on his weed-whacker. He fails to properly tighten the blade and it comes loose while he is trimming some tall grass at the edge of his property. The blade flies off towards his neighbor's house and crashes into the HVAC unit, severing the lines and effectively destroying the unit. Which coverage in John's homeowners policy might pay for the damage he caused to his neighbor's HVAC system?...

HVAC NATE Heat Pump Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: What is the capability of electronic programmable room thermostat to reset the set point early so that the space temperature reaches a set temperature at a specific time called? Answer: Computed recovery Question: What is an important reason for using electronic controls? Answer: They can make decisions based on many inputs. Question: When using a dou...

HVAC Gas Heat Certification Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: A technician wraps a thermostat wire ten times around his clamp-on ammeter and measures 5.5 amps between R and W terminals on the thermostat sub-base. He should set the heat anticipator to Answer: 5.5 Question: A gas valve with 100% shut-off means Answer: Gas to a pilot and manifold is shut-off Question: A gas furnace has an electronic control...

HVAC Gas Heat Certification Exam Prep (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: These are small burners used to ignite the gas burner on conventional gas furnaces? Answer: Pilots Question: What are the safety devices at the standing pilot? Answer: Flame Proving device, Thermocouples and Thermopiles, Bimetallic safety device and liquid filled remote bulb Question: A standard thermocouple is capable to generate how man...

HVAC 2024 Test Questions with Correct Answers airflow - Answer-the distribution or movement of air. air handler - Answer-indoor part of an air conditioner that moves cooled or heated air throughout the ductwork of your home. Usually a furnace or blower coil. BTU - Answer-British thermal unit. Unit of heat energy. central air conditioning system - Answer-system in which air is treated at a central location and distributed to and from rooms by one or more fans and a series of ducts. ...

AFM 341: Final Exam Questions & Answers 2023/2024 IT Operations Who is responsible for IT operations? What control activities are performed in IT operations? What is a technology-enabled integrity control for Input? What is a technology-enabled integrity control for Data Entry? What is a technology-enabled integrity control for Processing? What is a technology-enabled integrity control for Output? Differential backups Incremental backup What are three options for storage of backed up d...

HVAC Gas Heat Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: How does a thermocouple flame-prove a pilot flame. Answer: A thermocouple produces a small voltage when heated by the pilot flame. The thermocouple is connected to a shutoff valve. As long as the electrical current energizes the coil in the valve, the gas can flow. If the flame goes out, no current will flow and the gas valve closes, shutting off the gas. Question: What ...