A ____ is used to deactivate the lighting after the last worker has left.

A. toggle switch
B. photocell
C. pressure switch
D. time clock


Answer: D

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The _____ wheelbarrow is made of heavy-duty steel and is equipped with wooden handles and an air-filled rubber tire.

A. mason's B. builder's C. contractor's D. landscaper's

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The maximum length for UTP and STP cables installed in houses is ________ feet.

a. 100 b. 200 c. 300 d. 400

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___________ involves splitting embryos into two or more parts that produce genetically identical offspring.

A. Meiosis B. Embryo transfer C. Superovulation D. Cloning

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In a purge level measurement system, the amount of pressure required to force air through the tube is __________ proportional to the amount of liquid in the tank.

A. directly B. inversely

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