For the subcontractor quantity check at the grocery receiving dock, the wallboard area for primer on gypsum board is 5650 SF and requires 2 coats. At 300 SF per gallon, how many gallons are required?
Correct Answer
C) 38 gallons
Gallons equal area times coats divided by coverage, rounded up.
Why This Is the Correct Answer
Gallons equal area times coats divided by coverage, rounded up.
Why the Other Options Are Wrong
Option A: 19 gallons
19 gallons is below the supported result for primer on gypsum board; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 33 gallons
33 gallons is below the supported result for primer on gypsum board; it likely omits allowance, conversion, coverage, or final round-up.
Option D: 41 gallons
41 gallons is above the supported result for primer on gypsum board; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Primer On Gypsum cart for Finishes Superintendent: controlling first, area second, whole the controlling choice last.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Painting; primer coverage; verify the construction method, material quantity, equipment use, unit conversion, or field-control calculation.
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