Two technicians are discussing disc brake rotor service. Technician A says that the inner races (bearing cups) should be removed from the rotor before it is mounted on the lathe. Technician B says that a non-directional finish on the rotor surfaces can be obtained by using sandpaper. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
B
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a. rewets the base material b. drains water away from behind wall c. irrigates plants above the wall d. it serves no purpose
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What viral disease is characterized by a protruding growth on the skin?
a. Warts c. Moles b. Newcastle d. Cholera
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Which leak detectors can be used with systems that are only charged with nitrogen?
A) Heated diode electronic detectors B) Corona discharge electronic detectors C) Infrared detectors D) Ultrasonic leak detectors
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Of the sunlight reaching the earth, how much is used to produce sugars in photosynthesis?
A. 25% B. 15% C. 5% D. 50%
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