How many cubic yards of concrete are required to pour a slab 43' × 19' × 4"?

A) 9.21 B) 11.16 C) 10.08 D) 8.43


C

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____________________ are used to control the flow of current in a circuit and function like relays.

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

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All of the following statements regarding NiMH batteries are true EXCEPT __________

A) NiMH cells produce 3.6 volts B) NiMH batteries have excellent cycle life C) NiMH batteries can be housed in a steel container D) NiMH batteries use potassium hydroxide for electrolyte

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Skip distance is affected by the degree of _________________

A. ionic recombination B. radiation C. ionization D. solar disturbance

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You are driving a combination vehicle when the trailer brakes away, pulling apart both air lines. You expect the trailer brakes to come on and:

a. The tractor to lose air pressure. b. The tractor protection valve to close. c. The trailer supply valve to stay open.

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