What happens when fuel lines get too hot and only fuel vapors go through the fuel injectors?
A) Lean mixture B) Unmetered air C) Vapor lock D) Rich mixture
C
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Briefly describe the two-step process used to refine bauxite ore.
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. A perpendicularity tolerance can only constrain rotational degrees of freedom relative to the datum referenced. 2. Perpendicularity can be applied to a planar surface, but not to a feature of size. 3. Where two datum references are used with a perpendicularity tolerance, the tolerance zone is perpendicular to the primary datum reference. 4. When a perpendicularity tolerance is applied to a planar surface, the deviation is verified by finding the distance between two parallel planes that all of the points of the surface are located within. 5. A common method used to verify a perpendicularity tolerance (MMC) is to use a height gage.
? Identify and state the historical significance ofCyrus McCormick.
What will be an ideal response?
Answer the following statements true (T) or false (F)
1. Adding thermal mass to save energy is a good economic investment. 2. Owners should be encouraged to use more insulation than the minimum prescribed by ASHRAE Std. 90.1. 3. For climate Zone 4 higher ventilation levels always result in higher air conditioning energy. 4. For climate Zone 4 higher ventilation levels always result in higher heating energy.