A closet shelf system is attached only to gypsum board, and heavy storage is expected. What should be provided?
Correct Answer
D) Backing.
Heavy shelving needs appropriate backing, blocking, or anchors for the expected load.
Why This Is the Correct Answer
Heavy shelving needs appropriate backing, blocking, or anchors for the expected load.
Why the Other Options Are Wrong
Option A: Operable panel.
Operable panel. does not satisfy the required party, deadline, proof, license, bond, insurance, or agency trigger for finish accessory attachment.
Option B: Plumb frame.
Plumb frame. does not satisfy the required party, deadline, proof, license, bond, insurance, or agency trigger for finish accessory attachment.
Option C: Positive drainage.
Positive drainage. does not satisfy the required party, deadline, proof, license, bond, insurance, or agency trigger for finish accessory attachment.
Memory Technique
Good work cannot rewind a missed heavy trigger in Checking Carpentry.
Reference Hint
Study anchor (closed-book): memorize Finish accessory attachment from CSLB B General Building Study Guide; California Building Code, Title. / CSLB B General Building Study Guide finish accessory installation; know the rule or calculation trigger without relying on exam-room lookup.
More Class B Trade Questions
A 2-inch horizontal sanitary branch must be installed at 1/4 inch fall per foot. What total fall is needed over a 24-foot run?
A 4-inch building drain is laid out with a required 1/8 inch fall per foot. What fall is required across 40 feet?
A rooftop unit schedule shows 3 tons of cooling. Using 12,000 Btu per hour per ton, what cooling capacity is this?
A pump motor is listed as 2 horsepower, and the coordination table asks for watts. Using 746 watts per horsepower, what is the approximate motor power?
A slab is 30 feet long, 18 feet wide, and 4 inches thick. How many cubic yards of concrete are needed before waste?
A footing is 80 feet long, 2 feet wide, and 12 inches deep. How many cubic yards of concrete are required before waste?
A patio subgrade must drain at 2 percent away from the building for 20 feet. What total drop is required?
A building pad needs 150 compacted cubic yards of fill. If the borrow material shrinks 10 percent after compaction, about how many loose cubic yards should be hauled in?
A roofing estimate shows 2,850 square feet of roof area. How many roofing squares is that?
A waterproof deck surface is 14 feet deep and must slope 1/4 inch per foot to the drain. What vertical fall is needed?
