Area, Volume, and Conversions

Check your understanding. Passing is 70% — but you can keep going to the next lesson either way.

1. Question 1

   Based on "Volume formulas", which statement is correct?

   Use locked storage and visible deterrents on the jobsite.A 4-inch slab covers about 81 sq ft per cubic yard of concrete.Corporations and LLCs separate the business from the owner for liability.The critical path is the longest dependent sequence; delays here delay the whole job.

2. Question 2

   Based on "Volume formulas", which statement is correct?

   Final inspection focuses on life safety: GFCI, alarms, handrails, fire protection.Home-improvement down payment is capped at the lesser of $1,000 or 10% of the contract price.Wire sizes: 14 AWG = 15A, 12 AWG = 20A, 10 AWG = 30A.One cubic yard equals 27 cubic feet.

3. Question 3

   Based on "Unit conversions", which statement is correct?

   Mortar should be slightly weaker than the masonry unit it joins.GFCI is required in wet locations and protects people from shock.Convert units first; calculate second.Required bonds: $15,000 contractor, $25,000 qualifier (when not the owner), $100,000 LLC bond.