What is mulch, and why is it used?
What will be an ideal response?
Mulch is created whenever the surface of the soil is modified artificially by covering it with straw,
leaves, grass clippings, paper, or polyethylene film. Mulching helps control weeds, regulates soil
temperatures, conserves soil moisture, and provides clean, weed-free vegetables. The mulching
material should be spread around the base of the plants and between the rows.
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Reduce all fractions to their simplest forms. Convert all improper fractions to mixed numbers. Provide answers in the following format:
Fraction: 3/4 Mixed number: 1 5/8 12 1/5 x 5 = ?
Before working on electrical equipment that has been locked and tagged out, a person should use a(n) ______________ to verify there isn't any potential voltage.
A. non-contact voltage detector B. electric meter C. infrared thermometer D. none of the above
The circuit breaker for the condensing unit is sized:
A) By the maximum overcurrent protection (MOP) shown on the nameplate. B) The same wire gauge as the wires inside the unit. C) At 115% of the minimum circuit ampacity shown on the nameplate. D) By the minimum circuit ampacity (MCA) shown on the name plate.
After diagnosing a defective compressor, the technician should:
A) Rebuild the compressor in the field. B) Determine why the original compressor failed. C) Add refrigerant to improve compressor performance. D) Add hard start kit to improve compressor performance.