Planning & EstimatingCâu 77 / 100
To estimate labor, a painter uses a production rate. If one painter coats 150 sq ft per hour and the job is 1,200 sq ft for one coat, how many labor-hours are needed?
a.4 hours
b.6 hours
c.8 hours
d.12 hours
Giải thích
Labor-hours equal area divided by production rate: 1,200 / 150 = 8 hours for one coat. Additional coats, prep, and setup add more hours. Accurate production rates from experience are the basis of a reliable labor estimate.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A room has four walls totaling 800 sq ft of surface. The paint covers 400 sq ft per gallon and you plan two coats. How many gallons are needed?
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- What is the purpose of reviewing the project plans and specifications before bidding a paint job?
- Why should surface prep be estimated as a separate labor item?
- A ceiling measures 20 ft by 15 ft. How much area must be covered?
- When would a contractor typically need to obtain a permit related to painting work?
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