Hydraulic hose couplers are made of ______.

A. steel
B. fiber composites
C. brass
D. All of the above


Answer: D

Trades & Technology

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The ____ provides a base to distribute the weight of the structure onto the soil.

A. frame B. roof C. base D. foundation

Trades & Technology

A refrigerated case that maintains a temperature of 28°F would be classified as:

A) A cryogenic system. B) A low-temperature system. C) A high-temperature system. D) A medium-temperature system.

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An equipotential ground plane _____.

a. provides a low impedance to current flow over a wide frequency range b. is the only type of grounding OSHA approves for use in a hospital c. is not used in hospitals because it is ineffective for radio frequency noise d. must be placed in the ceiling above the equipment it is used for

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L ines on drawings used to show the main outline of a structure, including exterior walls, interior partitions, sidewalks, and driveways, are called _____ lines.