____ payback is the cost of energy efficiency upgrades divided by energy savings.

A. Efficiency
B. Energy efficiency
C. Green
D. Simple


Answer: D

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Always securely clamp metal being drilled because if the drill bit grabs the metal, it will spin around the bit.

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

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The freeze -thaw resistance of bricks has been found to be a function of the ______.

A) saturation coefficient (SC) of bricks. B) compressive strength of bricks. C) boiling-water absorption of bricks. D) all of the above. E) A and B only.

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Longitudinally mounted engines are most commonly installed in vehicles that are rear wheel drive.

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

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What type of smog is produced by the reaction of tailpipe gases and sunlight?

A. Sulfur dioxide. B. Carbon Monoxide. C. Volatile organic compounds (VOCs). D. Photochemical.

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