Question 1

The human body is comfortable when the heat produced in the body is equal to the heat lost to the surroundings.

Accepted Answer

A) True 
 B)False

Question 2

Air consists of approximately 78% ____________________, 21% oxygen, and 1% other gases.

Accepted Answer

The answer of Air consists of approximately 78% ____________________, 21%...

Question 3

Typically, when the body is at rest (sitting) and in surroundings of ____________________°F and 50% humidity with a slight air movement, the body is close to being comfortable.

Accepted Answer

The answer of Typically, when the body is at rest...

Question 4

The dry-bulb temperature is the ____.

Accepted Answer

A)   same as the wet-bulb temperature
B)   total of the sensible and latent heat
C)   sensible heat level of the air
D)   sensible heat less the humidity

Question 5

What is the dew-point temperature if the wet-bulb temperature is 65°F and the dry-bulb temperature is 100°F?

Accepted Answer

A)   40°F.
B)   50°F.
C)   60°F.
D)   70°F.

Question 6

The closer the wet-bulb and dry-bulb temperatures are to each other, the higher the ____________________.

Accepted Answer

The answer of The closer the wet-bulb and dry-bulb temperatures...

Question 7

If the dry-bulb temperature is 93°F and the wet-bulb temperature is 60°F, what is the specific volume of the air?

Accepted Answer

A)   14.0 ft3/lb
B)   14.0 lb/ft3
C)   12.0 lb/ft3
D)   12.0 ft3/lb

Question 8

Under what conditions can the wet-bulb temperature be higher than the dry-bulb temperature?

Accepted Answer

The wet-bulb tempera...

Question 9

When the dry-bulb and wet-bulb temperatures are the same, the relative humidity of the air is ____________________%.

Accepted Answer

The answer of When the dry-bulb and wet-bulb temperatures are...

Question 10

The dew-point temperature is the ____.

Accepted Answer

A)   temperature when the air is saturated with moisture
B)   temperature at which moisture begins to condense out of the air
C)   difference between the dry-bulb and wet-bulb temperatures
D)   temperature of the air at 50% relative humidity

Question 11

Explain how a wet-bulb thermometer works.

Accepted Answer

Wet-bulb temperature is measured by a th...

Question 12

Of the heat produced in the human body, which is by perspiration?

Accepted Answer

A)   Conduction.
B)   Convection.
C)   Radiation.
D)   Evaporation.

Question 13

Water, in the form of low-pressure vapor, is suspended in the air and is called ____________________.

Accepted Answer

The answer of Water, in the form of low-pressure vapor,...

Question 14

The air leaving an evaporator has a dry-bulb temperature of 85°F and a wet-bulb temperature of 65°F. The air entering the evaporator has a dry-bulb temperature of 95°F and a wet-bulb temperature of 75°F. How many grains of moisture per pound of dry air were removed by the evaporator?

Accepted Answer

The answer of The air leaving an evaporator has a...

Question 15

What is the relative humidity if the dry-bulb temperature is 100º F and the wet-bulb temperature is 65°F?

Accepted Answer

A)   13%.
B)   28%.
C)   43%.
D)   58%.

Exam 35: Comfort and Psychrometrics

The dry-bulb temperature is the ____.

Correct Answer
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If the dry-bulb temperature is 93°F and the wet-bulb temperature is 60°F, what is the specific volume of the air?

Correct Answer
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Explain how a wet-bulb thermometer works.

Correct Answer
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Wet-bulb temperature is measured by a th...
View Answer

Water, in the form of low-pressure vapor, is suspended in the air and is called ____________________.

Correct Answer
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Typically, when the body is at rest (sitting) and in surroundings of ____________________°F and 50% humidity with a slight air movement, the body is close to being comfortable.

Correct Answer
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Under what conditions can the wet-bulb temperature be higher than the dry-bulb temperature?

Correct Answer
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The wet-bulb tempera...
View Answer

Air consists of approximately 78% ____________________, 21% oxygen, and 1% other gases.

Correct Answer
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The dew-point temperature is the ____.

Correct Answer
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What is the dew-point temperature if the wet-bulb temperature is 65°F and the dry-bulb temperature is 100°F?

Correct Answer
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What is the relative humidity if the dry-bulb temperature is 100º F and the wet-bulb temperature is 65°F?

Correct Answer
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The air leaving an evaporator has a dry-bulb temperature of 85°F and a wet-bulb temperature of 65°F. The air entering the evaporator has a dry-bulb temperature of 95°F and a wet-bulb temperature of 75°F. How many grains of moisture per pound of dry air were removed by the evaporator?

Correct Answer
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The human body is comfortable when the heat produced in the body is equal to the heat lost to the surroundings.

Correct Answer
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The closer the wet-bulb and dry-bulb temperatures are to each other, the higher the ____________________.

Correct Answer
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Of the heat produced in the human body, which is by perspiration?

Correct Answer
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When the dry-bulb and wet-bulb temperatures are the same, the relative humidity of the air is ____________________%.

Correct Answer
verified

Exam 35: Comfort and Psychrometrics

The dry-bulb temperature is the ____.

Correct AnswerverifiedShow Answer

If the dry-bulb temperature is 93°F and the wet-bulb temperature is 60°F, what is the specific volume of the air?

Correct AnswerverifiedShow Answer

Explain how a wet-bulb thermometer works.

Correct AnswerverifiedWet-bulb temperature is measured by a th...View AnswerShow Answer

Water, in the form of low-pressure vapor, is suspended in the air and is called ____________________.

Correct AnswerverifiedShow Answer

Typically, when the body is at rest (sitting) and in surroundings of ____________________°F and 50% humidity with a slight air movement, the body is close to being comfortable.

Correct AnswerverifiedShow Answer

Under what conditions can the wet-bulb temperature be higher than the dry-bulb temperature?

Correct AnswerverifiedThe wet-bulb tempera...View AnswerShow Answer

Air consists of approximately 78% ____________________, 21% oxygen, and 1% other gases.

Correct AnswerverifiedShow Answer

The dew-point temperature is the ____.

Correct AnswerverifiedShow Answer

What is the dew-point temperature if the wet-bulb temperature is 65°F and the dry-bulb temperature is 100°F?

Correct AnswerverifiedShow Answer

What is the relative humidity if the dry-bulb temperature is 100º F and the wet-bulb temperature is 65°F?

Correct AnswerverifiedShow Answer

The air leaving an evaporator has a dry-bulb temperature of 85°F and a wet-bulb temperature of 65°F. The air entering the evaporator has a dry-bulb temperature of 95°F and a wet-bulb temperature of 75°F. How many grains of moisture per pound of dry air were removed by the evaporator?

Correct AnswerverifiedShow Answer

The human body is comfortable when the heat produced in the body is equal to the heat lost to the surroundings.

Correct AnswerverifiedShow Answer

The closer the wet-bulb and dry-bulb temperatures are to each other, the higher the ____________________.

Correct AnswerverifiedShow Answer

Of the heat produced in the human body, which is by perspiration?

Correct AnswerverifiedShow Answer

When the dry-bulb and wet-bulb temperatures are the same, the relative humidity of the air is ____________________%.

Correct AnswerverifiedShow Answer

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Wet-bulb temperature is measured by a th...
View Answer

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The wet-bulb tempera...
View Answer

Correct Answer
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