Exam 35: Comfort and Psychrometrics

The density of water is ____.

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

Comfort can be described as the gentle balance between ____.

When fresh air is introduced through the air handling system, the process is called fresh air intake, or ____________________.

The average core body temperature is ____________________°F.

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

How does air movement improve comfort?

Why must the thermometers in a sling psychrometer be swung in order to obtain the readings?

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

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.

How can the cost of heating a home in the winter be lowered, and still have comfortable conditions in the home?

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

The reading from a wet-bulb thermometer ____.

What will happen if a technician uses a sling psychrometer that has a perfectly dry wick on the wet-bulb thermometer?

A small amount of air is induced from the outside into the conditioner to keep the air from becoming ____.

The wet-bulb depression is ____.

The density of air is the ____.

The ____________________ of air is the measure of heat content in Btu per pound of air.

The moisture content in air (humidity) is measured by weight and expressed in pounds or ____________________.

If the dry-bulb temperature is 76°F and the wet-bulb temperature is 68°F, the wet-bulb depression is ____________________°F.