A 20-foot beam requires bearing blocks at 4-foot spacing along a temporary support. How many spaces are there?
Correct Answer
A) 5 spaces.
Twenty feet divided by 4 feet equals 5 spaces.
Why This Is the Correct Answer
Twenty feet divided by 4 feet equals 5 spaces.
Why the Other Options Are Wrong
Option B: 4 spaces.
4 spaces. is below the supported result for temporary support calculation; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 6 spaces.
6 spaces. is above the supported result for temporary support calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 8 spaces.
8 spaces. is above the supported result for temporary support calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Checking Layout takeoff: count the condition before counting the package.
Reference Hint
Study anchor (closed-book): memorize Temporary support calculation from Cal/OSHA Title 8 Construction Safety Orders; CSLB B General Building. / Cal/OSHA Title 8 temporary support and construction loading concepts; know the rule or calculation trigger without relying on exam-room lookup.
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