For most soils, even if they test "high" in a nutrient such as potassium or nitrogen, it is necessary to apply at least as much of each nutrient as is removed in the harvest, if the soil is not to eventually become infertile and unproductive

Indicate whether the statement is true or false


FALSE

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Expansion tanks must always be bled from the top until all of the air is removed from it.

Answer the following statement true (T) or false (F)

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If a vehicle has improper rear wheel toe settings, the customer may experience:

A. Steering wheel pull to the left B. Reduced steering effort C. Excessive wheel oscillations D. Rapid rear tire tread wear

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The rubber parts designed to be used with HSMO are not compatible with polyglycol fluid

Indicate whether the statement is true or false

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What would the mixed air temperature be for a system with 20% outdoor air if the outdoor temperature is 90°F and the return air temperature is 80°F?

A) 0.8 × 90°F =18°F; 18°F + 80°F = 98°F mixed air temperature B) (90°F + 80°F) × 0.4 = 68°F C) (90°F + 80°F)/2 = 85°F mixed air temperature D) 0.2 × 90°F =18°F; 0.8 × 80°F = 64°F; 18°F + 64°F = 82°F mixed air temperature

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