ISOs are drawn on special paper that has vertical lines and _____ lines.

a. 15-degree
b. 30-degree
c. 45-degree
d. 90-degree


b. 30-degree

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A heating thermostat closes on a(n) ____________________ in temperature.

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

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Size, form, shape, and state relate to:

A) The physical state of matter. B) The chemical state of matter. C) The structure of matter. D) The critical point of matter.

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Every time the primary control reset is pushed, some oil is pumped into the combustion chamber.

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

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What statement is true concerning engine vacuum?

A. Engine vacuum is not related to engine problems. B. The vacuum gauge must be connected to a fitting in the intake manifold. C. A rise in vacuum is a sign of a properly operating engine. D. Average reading for a properly running engine is approximately 25-30 in. Hg.

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