If a confined gas is removed to form a partial vacuum, its temperature will __________.

A. increase
B. decrease
C. remain the same


Answer: B

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When cranes are used to hoist people, the weight of the load cannot exceed _____.

a. 80 percent of its capacity b. 70 percent of its capacity c. 60 percent of its capacity d. 50 percent of its capacity

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Cuando se prepara el lecho de colada, las juntas de con- trol aserradas pueden relle- narse con cualquiera de los siguientes, excepto _____.

a. silicona para calafatear b. compuesto de láminas de yeso c. cera de parafina d. arena

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Which of the following best describes how a diode functions in an electrical circuit?

A. current amplifier B. voltage amplifier C. relay switch D. one-way switch

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The UJT and diac are important solid-state devices that provide pulse signals to other components to use as a firing signal

Indicate whether the statement is true or false

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