What is the maximum safe fill level for a refillable refrigerant cylinders?
A. 80%
B. 90%
C. 70%
D. 60%
Ans: A. 80%
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Why has the Corn Belt remained a major swine-producing region in the United States?
What will be an ideal response?
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About what percentage of the total non-federal government owned rural lands is considered suitable for cultivation according to USDA land use capability classes (if appropriate management practices are employed)?
A) 2% B) 35% C) 75% D) 55% E) 20%
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Electrical power is calculated by _________
A) Multiplying volts by ohms B) Multiplying volts by current C) Dividing voltage by current D) None of these
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What characteristic allows water to absorb a large amount of heat without a large increase in temperature?
A. high specific heat B. weak surface tension C. strong surface tension D. low specific heat
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