Energy Rator

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.

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It will neutralize pressures.

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It will create positive pressure.

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It won’t have any pressure affects.

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

Exhaust-only ventilation

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Supply-only ventilation

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Indoor air recirculation

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Crawl-space air exchange

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

Bathrooms and kitchens.

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Basements and tool sheds.

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Bedrooms and living rooms.

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Closets and hallways .

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

Away from pollutants.

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Near the gas meter.

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In an area of low pressure.

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Near the ground.

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

High air-leakage rate.

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Low air-leakage rate.

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Faulty windows.

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High occupancy rates.

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

Carbon dioxide.

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Asbestos.

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Lead dust.

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Carbon monoxide.

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

Balanced ventilation.

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Spot ventilation.

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Exhaust-only ventilation.

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Supply-only ventilation.

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Why is home ventilation necessary during cold weather?

Ventilation removes moisture and pollutants.

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Ventilation decreases the heating load.

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Ventilation adds humidity to increase comfort.

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Ventilation makes the air smell better.

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What do you call a ventilating device that moves water vapor between two airstreams?

Energy-recovery ventilator.

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Heat-recovery ventilator.

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Dehumidifier.

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Humidifier.

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What is the simplest and most reliable control strategy to insure the consistent use of a bathroom exhaust fan in a very humid climate?

A common connection to a light switch.

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A timer.

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A dedicated fan switch.

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A moisture meter.

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