Water Damage Restoration Drying Equipment and Technology 2

Question 1

What does LGR stand for in the context of dehumidification equipment?

Accepted Answer

Low Grain Refrigerant

Answer

Large Grain Removal

Answer

Low Grade Refrigeration

Answer

Liquid Gas Ratio

Question 2

Which type of air mover produces the highest static pressure and is best for duct attachments?

Accepted Answer

Centrifugal air mover

Answer

Axial fan

Answer

Vortex fan

Answer

Tangential blower

Question 3

What is the purpose of a negative air machine in water damage restoration?

Accepted Answer

To create containment by exhausting air and preventing cross-contamination

Answer

To increase air pressure in the drying area

Answer

To measure negative pressure in wall cavities

Answer

To cool the air for faster dehumidification

Question 4

At what minimum temperature do refrigerant dehumidifiers typically begin to lose significant efficiency?

Accepted Answer

55°F (13°C)

Answer

45°F (7°C)

Answer

65°F (18°C)

Answer

35°F (2°C)

Question 5

What is a 'floor mat system' used for in water damage restoration?

Accepted Answer

Extracting moisture from hardwood or other floor assemblies using suction

Answer

Protecting floors during equipment transport

Answer

Measuring moisture content beneath flooring

Answer

Providing a non-slip surface for workers

Question 6

How does increasing air temperature affect the drying rate in a water-damaged structure?

Accepted Answer

It accelerates drying by increasing the air's moisture-holding capacity

Answer

It slows drying by increasing humidity

Answer

It has no measurable effect on drying speed

Answer

It accelerates drying only if humidity is above 60%