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)

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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).

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In lowest fractional form, 20 ft:50 feet is ____________________.

Fill in the blank(s) with the appropriate word(s).

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Chain hoists are designed for _____.

a. angled lifts b. horizontal pulls c. angled and vertical lifts d. vertical lifts

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