What is the usual setting for the limit on the fan/limit switch of a warm air furnace?
A) 250°F to 300°F B) 80°F to 100°F C) 180°F to 200°F D) 120°F to 150°F
C
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Briefly describe the basic operating principle of a reciprocating gasoline engine.
What will be an ideal response?
____ means the electronics systems that use common components will have a universal dimension.
A. Perspective computing B. Amplified computing C. Pervasive computing D. Embedded computing
One advantage of rooftop units on small commercial buildings is that
A) they are easier to service than systems located inside the building B) they operate more efficiently than systems located inside the building C) they are available in larger capacities than central station systems D) they offer a substantial savings of space within the building
A masonry veneer wall must be separated from its backup by an airspace of at least _____
a. 1/2 inch b. 1 inch c. 1-1/2 inches d. 2 inches