air conditioner final review Questions

air conditioner final review Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) The heat released when moisture condenses out of the air is_heat - Correct Answers ✅Latent

• The human comfort level for summer is about _ and 50%

rh. - Correct Answers ✅75°F (24°C) dbC.

• If the rooms in a building are tightly sealed, the_ - Correct

Answers ✅All of the above.

• Heat recovery ventilators (HRVs)_ - Correct Answers

✅use a fan to bring in fresh air from the outside

• Which of the following statements about air distribution

systems is false? - Correct Answers ✅Negative pressure in a building decreases the infiltration at windows and doors.

• Which of the following statements about air ducts is true? -

Correct Answers ✅Air ducts may be made of galvanized sheet metal.

• Which of the following statements about duct systems is

false? - Correct Answers ✅Ducts in concrete are made by drilling airways with large drill bits and hole saws. 1 / 3

air conditioner final review Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)

• Diffusers in air distribution systems _ - Correct Answers

✅spread the air leaving the duct more uniformly than registers

• Which of the following statements about airflow in duct

systems is false? - Correct Answers ✅Airflow compression will be reduced through the use of additional 90° elbows.

• Which of the following principles applies when designing

a duct system for a building? - Correct Answers ✅All of the above.

• If there is more return air than supply air in a room, the

room will have a _ pressure. - Correct Answers ✅negative

• Hard, smooth surfaces like walls, ceilings, and floors are

noise_ - Correct Answers ✅reflectors

• Soft fabrics, such as drapes, curtains, and fabric-covered

furniture, are generally noise_ - Correct Answers ✅absorbers

• Tools that allow a technician to create a point in the HVAC

system from which to inspect and clean are _ - Correct Answers ✅access tools 2 / 3

air conditioner final review Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)

• Odors and vapors can be removed from the conditioned

space_ - Correct Answers ✅All of the above.

• One step in preparing a house for blower door testing is

to _ - Correct Answers ✅close exterior windows and doors

• Dirt buildup on fan motors can cause _ - Correct

Answers ✅All of the above.A(n) _ test shows how effectively the building envelope minimizes the amount of unconditioned air passing through into conditioned space. - Correct Answers ✅blower door

• An instrument used to pressure test a central HVAC

system's ductwork is a(n) - Correct Answers ✅duct blaster

• An instrument used to measure the airflow through a duct

at a given supply or return is a(n) - Correct Answers ✅flow hood

• If the pressure drop across a disposable air filter is more

than _ % of the pressure drop across the fan, the air filter should be changed. - Correct Answers ✅25

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