A hybrid electric vehicle may have more than one cooling system

Indicate whether the statement is true or false


TRUE

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The most commonly used leveling instrument for building layout, construction, and surveying due to ease of use and rapid set-up time is the _____.

a. framing square b. water level c. builder's level d. auto level

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What did James Watt achieve when he manufactured his 1765 steam engine?

A. the first steam engine B. the first turbine C. quadruple the thermal efficiency of any previous engine D. double the cylinder operating pressure of any previous engine

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In an isometric drawing, vertical lines are drawn ____.

A. vertically B. horizontally C. 30° from vertical D. 60° from vertical

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According to Newton’s law of cooling, the temperature T of a body at time t is given by , where is the ambient temperature, is the initial temperature, and k is the cooling rate constant. For a certain type of beverage container, the value of k is known to be .

a. Assume that =36°F exactly and that =72.0 ± 0.5°F. Estimate the temperature T at time t=10 min, and find the uncertainty in the estimate.

b. Assume that =72°F exactly and that =36.0 ± 0.5°F. Estimate the temperature T at time t=10 min, and find the uncertainty in the estimate.

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