Biogas is composed of approximately ____

a. 90% carbon dioxide c. 25% carbon dioxide
b. 30-40% carbon dioxide d. 6% carbon dioxide


B

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How many contacts can a sequencer have? Do they close in unison?

What will be an ideal response?

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____ is the rate at which torque is produced.

A. Horsepower B. Newton C. Joule D. Foot-pound

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

1. Mechanical engineers need to understand the thermophysical properties of liquid water and steam when designing power plants. 2. Water is used as a cutting tool to cut stone and steel.

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Copper water tube is available in three wall thicknesses designated as types ____ in order of decreasing wall thickness.

a. A, B, and C b. S, M, and L c. K, L, and M d. 1,2, and 3

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