A crew installs 72 door stops at 4 minutes each. How many labor hours are used?
Correct Answer
A) 4.8 hours.
The time is 72 x 4 = 288 minutes. Since 60 minutes equal 1 hour, 288 / 60 = 4.8 hours.
Why This Is the Correct Answer
The time is 72 x 4 = 288 minutes. Since 60 minutes equal 1 hour, 288 / 60 = 4.8 hours.
More ca-trade-b Questions
A waterproofing membrane at a balcony turns up the wall, but fasteners for trim are planned through the low portion of the turn-up. What is the concern?
Nonmetallic cable passes through a bored hole near the edge of a stud. What is the field concern?
A sloped roof drains into a wall corner with no kickout flashing at the lower end. What failure is most likely?
A rated wall has unsealed pipe penetrations after rough trades are complete. What should be coordinated before cover?
Sound-control insulation in a multifamily party wall is missing in several stud bays before drywall. What should be done?
A circular saw is used after the lower guard stops returning over the blade. What should be done?
A sound-control batt is missing around a plumbing penetration in a rated corridor wall. What is the best field response?
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?
During a rough plumbing walk, a cleanout for a long horizontal waste line is shown behind a fixed cabinet panel. What is the best correction?
People Also Study
Business & Financial Management
120 questions · 70% to pass
Contract Administration
60 questions · 70% to pass
Project Management
60 questions · 70% to pass
Related Study Resources
Previous Question
A gas water heater is installed in a CA garage. What discharge condition should be checked for the temperature-and-pressure relief valve?
Next Question
A tile installer grouts a change of plane between wall and floor with rigid grout where movement is expected. What is the better finish detail?