A worker sprays solvent coating in a small room with poor ventilation. What should be addressed?
Correct Answer
B) Ventilation control.
Solvent use in enclosed areas can create inhalation and fire hazards; ventilation and controls are needed.
Why This Is the Correct Answer
Solvent use in enclosed areas can create inhalation and fire hazards; ventilation and controls are needed.
Why the Other Options Are Wrong
Option A: Fire-safe storage.
Fire-safe storage. may relate to another site control, but it does not remove or guard the ventilation and chemicals exposure being tested.
Option C: Remove or control water.
Remove or control water. may relate to another site control, but it does not remove or guard the ventilation and chemicals exposure being tested.
Option D: Struck-by exposure.
Struck-by exposure. may relate to another site control, but it does not remove or guard the ventilation and chemicals exposure being tested.
Memory Technique
Name the harm before the guard; fire-safe, storage, remove cannot stand in for Planning Interior.
Reference Hint
Study anchor (closed-book): memorize Ventilation and chemicals from Cal/OSHA Title 8 Construction Safety Orders; CSLB B General Building. / Cal/OSHA Title 8 ventilation and hazardous substance controls; 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?