Technician A says that air-over-hydraulic disc brakes operate by using a hydraulically actuated caliper to squeeze brake friction pads against both sides of a rotor. Technician B saysthat hydraulic slack adjusters maintain the correct amount of fluid in the wheel end by compensating for internal brake disc wear. Who is correct?
A. Technician A
B. Technician B
C. Both
D. Neither
Answer: C
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____________________ protect the hands from contaminants that can be absorbed into the skin.
Fill in the blank(s) with the appropriate word(s).
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Pet rats or fancy rats are usually derived from the brown rat
Indicate whether the statement is true or false
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A sting is almost always lethal to the stinging bee
Indicate whether the statement is true or false
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Natural convection occurs because of:
A) Naturally occurring magnetic fields surrounding the earth. B) Differences in fluid density due to temperature difference. C) Fans, pumps, and other mechanical devices. D) Gentle breezes on properly placed equipment.
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