What might be the problem if the furnace runs, but with short cycles?
A) Cracked heat exchanger B) Defective relay protector
C) Improper heat anticipator setting D) Defective fan controller
C
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18/32 in lowest terms is 9/____________________.
Fill in the blank(s) with the appropriate word(s).
If some components are not functioning, and the system has line and control voltage, you should next:
A) Determine if the components are receiving voltage. B) Repair the circuit to the components. C) Replace the components. D) Replace the starter components.
Which of the following is not an advantage of using efficient framing techniques such as stud spacing and insulated headers?
A) Consumer understanding of equipment operating costs B) Decreased operating expenses over the life of the structure C) Improved thermal efficiency of the building envelope D) Reduction of framing lumber used to build the structure
A ____ can range from a minimum of 16'' (400 mm) square, up to matching the size used to represent the fireplace on the floor plan.
A. masonry chimney B. saddle C. ridge vent D. metal chimney