The accompanying figure shows a bellows-operated ____________________ timer.



Fill in the blank(s) with the appropriate word(s).


pneumatic air

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____________________ sunflowers have black seed, whereas ____________________ sunflowers have black and white striped seed

Fill in the blank(s) with correct word

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If a condensing unit is rated at 24,000 btuh and the evaporator is rated at 12,000 btuh, what is the total system capacity?

a. 12,000 btuh b. 18,000 btuh c. 24,000 btuh d. 36,000 btuh.

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The pressure of a refrigerant cylinder containing saturated refrigerant:

A) Is determined entirely by the amount of gas in the cylinder. B) Is determined entirely by the temperature of the refrigerant. C) Is determined by the amount of liquid in the cylinder. D) Is determined by both the amount of refrigerant in the cylinder and the cylinder temperature.

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Many HVACR industry publications are published by:

A) HVACR industry trade groups. B) The federal government. C) Fox News and CNN. D) Local state governments.

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