NATE Air Distribution 2024/2025 Exam
Questions and Corresponding Answers
with Surety of 100% Pass Mark
<question: The density of air is
A: How much air weighs per cubic foot
B: How much volume one pound of air occupies
C: The ratio of the weight of water to that of the same volume of water
D: The ratio of the amount of water vapor contained in a cu. ft. of air to the
amount of moisture held at saturation - 🧠ANSWER ✔✔A: How much air weighs
per cubic foot
The specific volume of air is
A: How much air weighs per cubic foot
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,B: How much volume one pound of air occupies
C: The ratio of the weight of water to that of the same volume of water
D: The ratio of the amount of water vapor contained in a cu. ft. of air to the
amount of moisture held at saturation - 🧠ANSWER ✔✔B: How much volume one
pound of air occupies
The relative humidity of air is
A: The percent of moisture air is holding as opposed to the amount it could hold
if it were saturated
B: Always less than 100%
C: The most accurate measurement of how much water vapor is in a given body
of air
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, D: Used as a multiplier to size humidifiers - 🧠ANSWER ✔✔A: The percent of
moisture air is holding as opposed to the amount it could hold if it were
saturated
As air is heated it
A: Contracts
B: Expands
C: Does not change its volume
D: Becomes more dense - 🧠ANSWER ✔✔B: Expands
The air pressure in a sealed balloon is
A: Static pressure
B: Velocity pressure
C: A combination of static and velocity pressures
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Questions and Corresponding Answers
with Surety of 100% Pass Mark
<question: The density of air is
A: How much air weighs per cubic foot
B: How much volume one pound of air occupies
C: The ratio of the weight of water to that of the same volume of water
D: The ratio of the amount of water vapor contained in a cu. ft. of air to the
amount of moisture held at saturation - 🧠ANSWER ✔✔A: How much air weighs
per cubic foot
The specific volume of air is
A: How much air weighs per cubic foot
Page 1 of 28
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,B: How much volume one pound of air occupies
C: The ratio of the weight of water to that of the same volume of water
D: The ratio of the amount of water vapor contained in a cu. ft. of air to the
amount of moisture held at saturation - 🧠ANSWER ✔✔B: How much volume one
pound of air occupies
The relative humidity of air is
A: The percent of moisture air is holding as opposed to the amount it could hold
if it were saturated
B: Always less than 100%
C: The most accurate measurement of how much water vapor is in a given body
of air
Page 2 of 28
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, D: Used as a multiplier to size humidifiers - 🧠ANSWER ✔✔A: The percent of
moisture air is holding as opposed to the amount it could hold if it were
saturated
As air is heated it
A: Contracts
B: Expands
C: Does not change its volume
D: Becomes more dense - 🧠ANSWER ✔✔B: Expands
The air pressure in a sealed balloon is
A: Static pressure
B: Velocity pressure
C: A combination of static and velocity pressures
Page 3 of 28
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
