What is the color code of the oxygen system?

A. green
B. red
C. black
D. blue


Answer: A

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?The _______________ geartrain is an arrangement of two separate planetary gearsets with a common sun gear, two ring gears, and two planetary pinion carriers.

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

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What is biomethane sourced from?

A. corn B. soy C. beet D. garbage

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For solar hot water, there should be an area ____ adjacent to the conventional water heater in the utility room for the future solar hot water tank.

A. 3' x 2' x 6' B. 3' x 3' x 8' C. 4' x 2' x 7' D. 4' x 3' x 8'

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For the logic circuit in Figure P13.35, write the logical expression for the outputs of this circuit in terms of its inputs, and create a truth table for the outputs in terms of the inputs, including any required intermediate variables.

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