When selecting a metal to use for roofing panels that will be subjected to severe hailstorms, an important consideration is the metal's _____.
a. elasticity
b. hardness
c. ductility
d. tensile strength
Answer: B
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If blue litmus paper turns red when a water sample is tested, this indicates that the pH of the water is _____.
a. above 7.0 b. between 10 and 14 c. neutral d. below 7.0
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Most scientists agree that the greatest danger we have from our food supply is that
of food spoilage and the ingestion of bacteria.
Indicate whether the statement is true or false.
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What condition will refrigerant not be in when it reaches the receiver-drier?
A. High pressure liquid B. Low pressure liquid C. Superheated vapor D. Sub cooled liquid
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What is the role of bumper arms?
What will be an ideal response?
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