Why are pore spaces for air important in a soil?
What will be an ideal response?
Because they hold both air and water, which are essential for plant growth.
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A compressor speed (belt lock) sensor is used by the HVAC ECM to _________________________
A) Prevent a locked-up compressor from destroying the engine drive belt B) Determine if the compressor is running by comparing the compressor and engine speed signals C) Vary the displacement of the compressor based on compressor speed D) Both A and B
Water and air leakage between the rooftop unit and the rooftop curb are prevented by:
A) UL-rated duct tape applied from the inside of the curb. B) UL-rated duct tape applied over the outside of the curb. C) UL-rated duct tape applied to both the inside and outside of the curb. D) Gasket material between the curb and the unit.
What is the check, test, check procedure?
What will be an ideal response?
Draft is the slope allowance on all vertical surfaces of a pattern, which is necessary to facilitate the removal of the pattern from the mold.
Answer the following statement true (T) or false (F)