# Free Water Damage Knowledge Question and Answers

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#### What is indicated by the weight of water in wood as opposed to an oven-dried sample?

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Explanation:
The term equilibrium moisture content (EMC) refers to the moisture level at which the wood is in equilibrium with the relative humidity and temperature of its surroundings and neither adds nor subtracts moisture

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#### Why is a hygrometer used?

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Explanation:
A device called a hygrometer is made to figure out how much humidity is present in a space. While a hygrometer can't actually stop mold from forming, it can alert you so you may take the appropriate action before the issue arises. Relative and absolute humidity levels can be accurately determined with hygrometers. The percentage of humid moisture in the air is known as relative humidity. The actual amount of moisture in the air is known as absolute humidity.

#### This kind of dehumidifier operates on the condensation principle, which states that as warm, wet air flows over cool coils, moisture condenses on the coil fins and creates droplets that are collected.

Correct! Wrong!

Explanation:
A device called a hygrometer is made to figure out how much humidity is present in a space. While a hygrometer can't actually stop mold from forming, it can alert you so you may take the appropriate action before the issue arises. Relative and absolute humidity levels can be accurately determined with hygrometers. The percentage of humid moisture in the air is known as relative humidity. The actual amount of moisture in the air is known as absolute humidity.

#### What measurements are made of the air flow volume produced by an air mover?

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Explanation:
The most common unit of air velocity or distance traveled per unit of time is feet per minute (FPM). The amount of air that flows past a point in a duct during a given unit of time is calculated by multiplying air velocity by the area of the duct. The usual unit of volume flow measurement is cubic feet per minute (CFM).

#### When you get to the customers' home, you see that the carpet and pad are damp throughout the entire room. Water has risen 18 inches up the walls, and structural components like the plywood subfloor still contain wet. Which kind of water damage would this be deemed to be?

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Explanation:
No more than 24 inches of water had been dispersed around the space and wicked up the walls. The room's cushioning and carpet are all damp. Moisture is present in the building elements like the subfloor, the structural members, and the substructure soil.

#### This piece of equipment helps to prevent the growth of microbes while also speeding up the rate at which water vapor evaporates from moist surfaces.

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Explanation:
Everywhere there is a need to diffuse pollutants, move air into small areas, cool people working in hot environments, or cool machinery or items with a blast of directed air, air movers, also known as air horns or blowers, are utilized.

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