The substance that is used as the constant common material to measure specific gravity of solids is:

A) Air in a vacuum @ 29.9 in Hg. B) Ice @ standard conditions.
C) Water @ standard conditions. D) Air at standard conditions.


C

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How many EUIs are required to fuel a 4-stroke cycle, 6-cylinder diesel engine?

A. one B. two C. four D. six

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Each course of beveled horizontal wood siding is nailed to the wall through

A) one line of nails near the top of the siding. B) one line of nails in the center of the siding. C) one line of nails near the bottom of the siding. D) two lines of nails, one at the bottom and one at the top of the siding.

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Most large commercial and industrial conditioned air systems use large ____________________ to supply the air flow that is needed to condition the structure.

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

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An alternating current (AC) generator converts ____ energy to electrical energy by utilizing the principle of electromagnetic induction.

A. electromagnetic B. chemical C. mechanical D. heat

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