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Energy Rator

by John Krigger | Nov 7, 2024

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Question 1 of 10

1. Question

How will the operation of a large kitchen range hood, vented to the outdoors, affect the pressures within the home?

It will create negative pressure.

It will neutralize pressures.

It will create positive pressure.

It won’t have any pressure affects.

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Question 2 of 10

2. Question

What ventilation strategy is least likely to cause condensation in building cavities of moderately airtight homes in cold climates?

Exhaust-only ventilation

Supply-only ventilation

Indoor air recirculation

Crawl-space air exchange

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Question 3 of 10

3. Question

Where are the best locations for spot ventilation equipment in most homes?

Bathrooms and kitchens.

Basements and tool sheds.

Bedrooms and living rooms.

Closets and hallways .

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Question 4 of 10

4. Question

Where should the air intake for a supply ventilation system be installed?

Away from pollutants.

Near the gas meter.

In an area of low pressure.

Near the ground.

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Question 5 of 10

5. Question

Which of the following is a possible cause of very low relative humidity in a home during very cold weather?

High air-leakage rate.

Low air-leakage rate.

Faulty windows.

High occupancy rates.

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Question 6 of 10

6. Question

Which of these pollutants is dangerous and can be effectively controlled with mechanical ventilation?

Carbon dioxide.

Asbestos.

Lead dust.

Carbon monoxide.

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Question 7 of 10

7. Question

Which ventilation strategy would work best for an extremely airtight home?

Balanced ventilation.

Spot ventilation.

Exhaust-only ventilation.

Supply-only ventilation.

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Question 8 of 10

8. Question

Why is home ventilation necessary during cold weather?

Ventilation removes moisture and pollutants.

Ventilation decreases the heating load.

Ventilation adds humidity to increase comfort.

Ventilation makes the air smell better.

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Question 9 of 10

9. Question

What type of whole-house ventilation system would be best for home with 10 air changes per hour at 50 Pa, measured by a blower door?

Rubberized membranes

Asphalt shingles

Standing-seam metal

Cedar shingles

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Question 10 of 10

10. Question

What advance does supply-only ventilation have over exhaust-only ventilation?

Mortar

Polyurethane foam

Construction adhesive

None of these

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