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1Scaffolding platform planks shall be secured against slipping from supports, but not sloped more than how many feet vertically to 10 feet horizontally?
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2Tree and shrub root with roots between 1/2 and 1-1/2 shall be removed to depth of not less than ___ft. below natural ground line.
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3If a requisition for nails stated: "100 lbs., 10d, 3 inch, common wire nails, galvanized", what portion of the requisition was not necessary?
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4A construction job states in the specifications that the content of cement shall not exceed 7 1/2 sacks nor be less than 6 sacks per cu. yd. of concrete. Therefore, the ratio of the number of sacks of cement per cubic yard of concrete is called:
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5A wrecking ball may not weigh more than 50% of the clamshell rating or what percentage of the rope yield strength?
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6A job is estimated to take 3,840 hours and there is a crew of 8 workers. The work is to be completed in 3 weeks. After 2 weeks 50% of the work has been completed. If the workers are to work a 40 hour week, how many additional workers are needed?
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7The specs for a job state that the contractor is to receive payment at $6.00 per lineal foot for earth borings and $7.50 per lineal foot for rock borings. Additionally, he will be paid $150 toward the cost of transporting drilling equipment to the site, setting up the equipment, dismantling and transporting it away from the site. An additional boring through 40 feet of earth and 5 feet of rock is ordered; the contractor should then receive:
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8The weight of a 19" x 18" x 2" steel base plate is ___ lbs., if the steel weighs 480 lbs. per cubic foot.
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9When demolition activities cause toxic dust, which of the following is not a building code requirement?
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10Flooring boards may be removed from not more than ___ above grade to provide storage space for debris, providing falling material is not permitted to endanger structural stability.
