What is a draft pressure switch?
A) A switch that senses when the vent is in a draft condition
B) A switch that senses when the burners ignite
C) A switch that senses when a vent pipe is connected to the flue outlet
D) A switch that senses when a building has air leaks
A
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Power steering belt tension should be measured before testing power steering pump pressure.
Answer the following statement true (T) or false (F)
Engine ____________________, in addition to causing scuffing and scoring, usually produces a buildup of oil residue on the piston and the rings
Fill in the blank(s) with the appropriate word(s).
In lowest fractional form, 20 ft:50 feet is ____________________.
Fill in the blank(s) with the appropriate word(s).
Chain hoists are designed for _____.
a. angled lifts b. horizontal pulls c. angled and vertical lifts d. vertical lifts