Technician A says a slide hammer and the correct attachment should be used to remove bushings. Technician B says that to easily remove bushings, they should be heated with a torch. Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B


Answer: A

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The shop has an air conditioning (A/C) machine that takes 0.8 hr to recharge a vehicle’s system. For an 8 hour work day what is the maximum number of A/C jobs that could be scheduled?

A. 1 B. 8 C. 10 D. 12

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The flue lining should project _____ above the last course of masonry units laid on the chimney.

A. less than 4 " B. exactly 5" C. approximately 6" D. no less than 8"

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With intersecting angular surfaces, if angle R is to be determined in relation to the profile plane (plane of B), the ____________________ of the computed formula angle R must be used.

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

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The two types of bearings used in the heating, cooling, and refrigeration industry are ____________________ bearings and sleeve bearings.

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

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