For cleaning ACR copper tubing before soldering, a material that can be used is ____.

A. steel wool
B. carborundum cloth
C. sand cloth
D. nylon wool


Answer: C

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Some low-powered PAC torches will operate with as low as ____ amps of current flow.

A. 10 B. 12 C. 18 D. 20

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The reproductive disease campylobacteriosis may cause the conception rate to drop below _____

percent.

a. 40 c. 60 b. 50 d. 80

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The wholesaler is a link between the ____________________ of any type of agricultural goods and the retail store where the goods are sold

Fill in the blank(s) with correct word

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Which equation is an appropriate expression of Pascal's Law?

A. P=F/A B. A=P/F C. P=FA D. F=P/A

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