The main ingredient used in the manufacture of Portland cement is

A) sand.
B) limestone.
C) iron ore.
D) marble.
E) granite.


B) limestone.

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Penstock piping of length 382.4 ft. is needed to supply a low-head hydro system.  Piping of length 156.6 ft. is on hand.  How many ft. of piping are still needed??

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

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A circuit in which one side of the power source is referenced to ground is called __________.

a. incomplete b. polarized c. damaged d. arced

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The primary (low-voltage) ignition system must be working correctly before any spark occurs from a coil. Which component is NOT in the primary ignition circuit?

A) Ignition switch B) Pick up coil C) Spark plug wires D) Ignition module

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The ability to set aside your own personal agenda for the overall good of the organization will most help you when:

A. improving your skills B. working on team projects C. remaining positive D. thinking critically

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