What is the drawback of emergency heat?
A) The supplemental heat costs more to operate than a heat pump.
B) It causes problems with the refrigeration systems.
C) The compressor and outdoor fan are not energized.
D) It activates the supplemental heat in the first stage.
A
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Answer the following statement true (T) or false (F)
Open land that is not suited for row crops can be utilized for growing livestock
Indicate whether the statement is true or false
The cation exchange capacities of alkaline soils are generally higher than those of acid soils (Vertisols excepted). Which of the following characteristics of alkaline soils most likely accounts for this high CEC?
A) high content of hydrous oxides of iron and aluminum B) high content of 2:1 type clays C) high exchangeable calcium D) high exchangeable sodium content E) high humus content
Define helix direction as used in spring terminology, and provide how it is specified on the print.
What will be an ideal response?