Furnace heat exchangers should be checked for corrosion because:
a. Carbon monoxide could leak into the building
b. The holes reduce the furnace efficiency
c. Cold air could leak into the building
d. The air will become too dry for comfortable heating
e. Too much air would enter the furnace
Answer: A
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Power Engineering Chapter 101
- In a warm air heating system, the heated air should enter the rooms preferably via the
- Which of the following is a type of outlet in a warm air heating system?
- The warm air outlets in a warm air heating system should always be located along the:
- Heat exchangers in modern gas fired furnaces are made of:
- Which of the following is the most common type of warm air outlets used in a house?
- The sealed ball bearings used on a blower in the warm air heating systems:
- Most warm air heating furnaces are often equipped with a _____ to supply moisture to the air during the dry winter season.
- The perimeter loop system of furnace ducting is ideal for a building with:
- Standard mechanical air filters will remove:
- Rooms that are stuffy and dry are created by:
- Sleeve bearings on furnace fans require:
- An electronic filter is also known as:
- Supply outlets should always be located:
- Insufficient heat throughout a building is likely caused by:
- Plugged _____ on warm air heating and ventilating systems limit the air flow, and result in insufficient heating and fuel wastage.
- Electronic filters will remove:
- When fan belts show signs of fraying, cracking, and wear, they should be:
- Air filters can be divided into two groups: