As regards column forms, contractors place concrete in lifts. What is the typical range for length of lifts?

A) 2' to 4' B) 4' to 6' C) 1' to 4' D) 1' to 2'


A

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____ fire extinguishers are used for electrical fires.

A. Type A B. Type B C. Type C D. Type D

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If two insulated wires were to melt together where the copper conductors touched each other, the type of failure would be called a(an) __________

A) Short to ground B) Open C) Floating ground D) Short to voltage

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Cast iron contains 2.0% or more carbon

Indicate whether the statement is true or false

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What flow is needed to supply a hot water radiator with a 750 Btu/hr?Carry the answer to three decimal places.

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

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