All of these statements about the rolling elements in a tapered roller bearing are true EXCEPT:
A. They have precision machined surfaces
B. They have the same diameter at each end
C. They are evenly spaced by the separator
D. They are mounted between the inner and outer races
Answer: B
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_____, as applied to brick masonry work, is the projection of successive courses of brick out from the face side of a wall to form a shelf or ledge and support the wall above.
A. Coping B. Anchoring C. Gingerbread work D. Corbeling
For a given duct system, if the fan is slowed by 50%, the airflow will decrease by 50%. What will happen to the system pressure drop? Power?
A) Pressure drop will be 25%; power will be 12.5%. B) Pressure drop will be 50%; power will be 25%. C) Pressure drop will be 50%; power will be 50%.
A mortar-capturing device in a brick veneer assembly is used
A) at each alternate floor level. B) at each floor level. C) 2 in. above a flashing. D) immediately above a flashing. E) immediately below a flashing.
A group of animals with a common ancestry and like characteristics is a ____________________
Fill in the blank(s) with correct word