Indoor Air Quality Unit 35

The wet-bulb temperature ____.

The correct answer is: takes into account the moisture content of the air

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

The correct answer is: 14.0 ft
3/lb

The density of air is the ____.

The correct answer is: weight of the air per cubic foot

The generalized comfort chart can be used as a basis to ____.

The correct answer is: determine combinations of temperature and humidity to produce comfort in summer and winter

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

The correct answer is: 40�F

Infiltration is the term used when referring to the air entering a structure ____.

The correct answer is: around doors and windows

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

The correct answer is: evaporation

If the wet-bulb and dry-bulb temperature are both 80�F, what is the humidity?

The correct answer is: 100%

The wet-bulb depression is ____.

The correct answer is: the difference between the dry-bulb and wet-bulb temperatures

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

The correct answer is: 13%

Comfort can be described as the gentle balance between ____.

The correct answer is: air cleanliness, air movement, temperature, and humidity

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

The correct answer is 'True'.

The rate at which water will evaporate from the wick on the wet-bulb thermometer is determined by the moisture content of the surrounding air.

The correct answer is 'True'.

The dew-point temperature is the ____.

The correct answer is: temperature when the moisture begins to condense out of the air

A fresh air intake is necessary to keep the indoor air from becoming ____.

The correct answer is: oxygen starved and stagnant

The dry-bulb temperature is the ____.

The correct answer is: sensible heat level of the air

Introduction of forced ventilation in the winter heating season helps to raise the humidity level.

The correct answer is 'False'.

All air characteristics charts and tables are based on a sea level pressure of ____.

The correct answer is: 29.92" Hg