A worker plans to dry-sweep fine silica dust inside a room after concrete grinding. What should be coordinated?
Correct Answer
D) Dust control.
Fine dust from concrete grinding should be controlled with appropriate dust-control methods rather than dry sweeping.
Why This Is the Correct Answer
Fine dust from concrete grinding should be controlled with appropriate dust-control methods rather than dry sweeping.
Why the Other Options Are Wrong
Option A: Respirable dust control.
Respirable dust control. may relate to another site control, but it does not remove or guard the respirable dust control exposure being tested.
Option B: Exposure control plan.
Exposure control plan. may relate to another site control, but it does not remove or guard the respirable dust control exposure being tested.
Option C: Dust containment.
Dust containment. may relate to another site control, but it does not remove or guard the respirable dust control exposure being tested.
Memory Technique
If Correcting Concrete can still reach the worker, the control is decoration.
Reference Hint
Study anchor (closed-book): memorize cited safety control from Cal/OSHA Title 8 Construction Safety Orders; CSLB B General Building. / Cal/OSHA Title 8 construction cited safety control and respiratory hazard concepts; 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?
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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?
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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?