The high-temperature limit switch mounted above or beside the heat exchanger of a gas furnace should cycle
open if _____.
A) a flame rollout occurs
B) the outdoor temperature exceeds 75°F
C) there is insufficient combustion air
D) the blower fails to operate
Answer: D
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Window installation of room units are for either double-hung or ____________________ windows.
Fill in the blank(s) with the appropriate word(s).
Epipedons are diagnostic subsurface horizons that are one of the primary means of classifying soils in the United States
Indicate whether the statement is true or false
Voltage drop is being discussed. Technician A says in an ideal circuit, most of the voltage drop should take place across the circuit. Technician B says in an ideal circuit, most of the voltage drop should take place across the load. Who is correct??
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
?An overhead cam (OHC) head has oil galleries. This makes it impractical to clean these heads with a glass bead _____.
What will be an ideal response?