What kind of mounting is often used in tunnels and other underground installations where equipment is separated by long distances?

a. Wall
b. Direct rod
c. Trapeze
d. Center-hung


a. Wall

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Weld neck flanges must be marked with the weight so the _____ will match.

a. bores b. outside diameters c. length of the neck d. shapes

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Human societies have managed their solid waste for centuries by burying it

Indicate whether the statement is true or false

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State the primary difference between a detector and a meter

A) Detectors are calibrated in standard units and meters are calibrated in metric units. B) A meter simply detects the presence of a contaminant. A detector measures the amount of the contaminant. C) They are two words for the same instruments. D) A detector simply detects the presence of a contaminant. A meter measures the amount of the contaminant.

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Male toads are smaller than the female, which is common among toads

a. True b. False Indicate whether the statement is true or false

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