PVC, CPVC, and ABS should not be used for compressed gases because they may shatter suddenly if the pipe fails.
Answer the following statement true (T) or false (F)
True
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Water and minerals enter the root hairs by ____________________ and diffusion
Fill in the blank(s) with correct word
Although slow release fertilizers take longer to have an effect, they are more economical than regular nitrogen fertilizers and so are favored by foresters and farmers
Indicate whether the statement is true or false
How does an oil acid test kit indicate the presence of acid?
A) The test kit produces a strong pungent odor. B) The word "acidic" appears on the test strip. C) By a color change D) The liquid in the sample tube boils.
In which of the following modes would you expect to find hot, high-pressure refrigerant flowing through
the outdoor coil? a. Cooling only b. Cooling and defrost c. Heating only d. Heating and defrost