The roof frame may include collar beams, or collar ____.

A. tiles
B. girders
C. dormers
D. ties


Answer: D

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A leaking or misplaced gasket to a valve cover or intake manifold can leak enough air to render the PCV system inoperable.

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

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The article “Abyssal Peridotites > 3800 Ma from Southern West Greenland: Field Relationships, Petrography, Geochronology, Whole-Rock and Mineral Chemistry of Dunite and Harzburgite Inclusions in the Itsaq Gneiss Complex” describes the chemical compositions of certain mineralsin the early Archaean mantle. For a certain type of olivine assembly, the silicon dioxide () content (in weight percent) in a randomly chosen rock has mean 40.25 and standard deviation 0.36.

a. Find the mean and standard deviation of the sample mean content in a random sample of 10 rocks.
b. How many rocks must be sampled so that the standard deviation of the sample mean content is 0.05?

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Can you use PTT technology to process multimedia traffic? Explain clearly.

What will be an ideal response?

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A knowledge of basic geometric constructions done with a compass or dividers and a steel ____________________ is required of a machinist in laying out work.

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

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