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
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,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 ✔✔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%
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,C: The most accurate measurement of how much water vapor is in a given
body of air
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
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, A: Static pressure
B: Velocity pressure
C: A combination of static and velocity pressures
D: None of the above - 🧠ANSWER ✔✔A: Static pressure
A blower connected to a length of duct
A: Creates static pressure which is then converted to velocity pressure
B: Creates velocity pressure directly
C: Creates resistance to the flow of air
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
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
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,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 ✔✔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%
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
,C: The most accurate measurement of how much water vapor is in a given
body of air
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
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
, A: Static pressure
B: Velocity pressure
C: A combination of static and velocity pressures
D: None of the above - 🧠ANSWER ✔✔A: Static pressure
A blower connected to a length of duct
A: Creates static pressure which is then converted to velocity pressure
B: Creates velocity pressure directly
C: Creates resistance to the flow of air
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
