Filters are rated based on which of the following systems?

A) Retention ratio value.
B) HEPA rating value.
C) Material holding value.
D) MERV rating value.


D) MERV rating value.

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All water plants except floater species require containers

Indicate whether the statement is true or false

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The proper operation of a vacuum brake booster requires that the engine be capable of supplying at least ________

A) 17 in. Hg vacuum B) 19 in. Hg vacuum C) 21 in. Hg vacuum D) 15 in. Hg vacuum

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Temperatures exceeding the upper limit of an animal's thermoneutral zone will have no effect on animals

Indicate whether this statement is true or false.

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When it is necessary to perform electrical work in an area that has a damp or wet floor, which of the following can be done to minimize the chance of electrical shock?

A. Place a rubber mat on the floor. B. Use a wooden ladder. C. Wear insulated boots and gloves. D. All of the above

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