Absorption units use a mixture of ____________________ and water as refrigerant and require special training and tools to service.
Fill in the blank(s) with the appropriate word(s).
ANSWER: ammonia
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In a horizontal stringer bead, the weld bead will tend to sag downward, and as a result there may be a(n) ____ on the bottom edge.
A. undercut B. overlap C. crack D. wormhole
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Which of the following is a basic policy process question:
a. What will be? b. What should be? c. What is? d. What can be? e. All of the above.
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To avoid a nitrate depression period when it is added to a garden soil, about how many kg of nitrogen must be added to a load of grass clippings that contains 1000 kg of C and 25 kg of N?
A) 100 B) 15 C) 75 D) 35 E) 50
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Two major poultry diseases requiring strict control programs are Marek's disease and
avian influenza. A. True B. False
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