What is the most common form of switching used for mechanical thermostats?
A) Magnets B) Spring and bellows
C) Mercury bulb D) Warped discs
C
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If one surface of a vertical air space is lined with aluminum foil, its R-value = 2.5. What will be its R-value if both surfaces of the air space are lined with aluminum foil?
What will be an ideal response?
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The mating of two animals from two different breeds is called ____________________
Fill in the blank(s) with the appropriate word(s).
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St. Augustinegrass is adaptable to many soil conditions, but does best on moist, well-drained sandy soils
Indicate whether the statement is true or false
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An example of subsurface irrigation is drip irrigation
Indicate whether the statement is true or false
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