Where intensive topdressing programs are used, the thatch is covered with topdressing material every_________ weeks

A) 4 to 5
B) 3 to 4
C) ?2 to 3
D) 5 to 6


C

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The mixed angular gravel, rock, and soil found at the foot of a slope is typical of what type of parent material?

A) colluvial B) lacustrine C) eolian D) fluvial E) glacial

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Genetic diseases are contagious.

Answer the following statement true (T) or false (F)

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Ultrasonic leak detectors detect refrigerant leaks by:

A) Seeing the refrigerant by sensing the effect that the leaking refrigerant gas has on sonar. B) Seeing the change in ultraviolet radiation around the area of the leak. C) Hearing the high frequency of the escaping gas. D) Seeing the change in infrared radiation around the area of the leak.

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When drawing a foundation with continuous footings and a post-and-beam floor system, which of the following should you represent first?

A. girders B. interior piers C. footings D. stem walls

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