Figure 10-1 The final control element in Figure 10-1 is the ____.
A. controller
B. control valve
C. sensor
D. heat exchanger
Answer: B
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The amount of time the coil is turned on is called ____________________ ____________________.
Fill in the blank(s) with the appropriate word(s).
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Diversion ditches are ponds of water where waste is directed
Indicate whether the statement is true or false
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A soil found in very cold climates where the ground is permanently frozen would fit best into which order?
a. Entisols c. Gelisols b. Aridisols d. Histisols
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Which of the following problems could occur if a humidifier is not regularly cleaned and checked for operation?
A) Excessive dryness B) Mold growth C) Nickel in the water supply D) CO poisoning
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