Pavers can be made of concrete, brick, or ____.
A. stone
B. a concrete and gravel mix
C. a concrete and natural fiber mix
D. gravel
Answer: A
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Both AC and DC motors can be ____________________ and are so called because the rotor and the rotating stator magnetic field turn at the same speed.
Fill in the blank(s) with the appropriate word(s).
Which of the following methods are used to lock the bearing setting on an axle or spindle?
A. Jam nuts B. Castellated nuts with cotter pins C. Split forging nuts D. All of the above
Wetted asbestos is considered to be ________
A) Poisonous B) Solid waste C) Toxic D) Hazardous waste
How often should a typical driveshaft hanger bearing be lubricated?
A. when U-joints are lubed B. they are usually factory lubricated and are not serviceable C. each time the slip yoke is lubed D. both A and C