front 1 Soil particles that are smaller than 0.02 mm and larger than 0.002 mm in diameter are typically classified as | back 1 Silts |
front 2 A point of elevation established by a registered survey and often indicated on the contract plans is known as a | back 2 Benchmark |
front 3 The primary difference between a caisson and cast-in-place pile is that a caisson is | back 3 Larger in diameter |
front 4 Shotcrete is defined as concrete conveyed through a hose and ________________ onto a surface. | back 4 Pneumatically |
front 5 For an excavation that is 14' deep, with sides sloped at 2:1, the total quantity of material to be disposed of is ________________ cubic yards if the soil swells 15% and the bottom of the excavation measures 20 feet by 30 feet. | back 5 2,127 |
front 6 ________________ is not a structural steel bolt. | back 6 A-375 |
front 7 The allowable bearing resistance for clay is ________________ tons per square foot. | back 7 1.0 |
front 8 A large 45 min/hr rubber tire loader will be used to tram 10,000 cy (bank measure) of soil approximately 200' to a stockpile. Its average production would be ________________ cubic yards per hour if the loader was traveling at 5.0 mph. working at a 75% efficiency rating and has 2 cy bucket. Assume the soil shrinkage factor is 0.80 and the cycle time is 2.91 minutes. | back 8 20.1 to 25.0 |
front 9 The maximum lateral pressure for the design of a wall form will be ________________ psf assuming the rate of placement was 4 feet per hour and the temperature was 70°F. | back 9 664 |
front 10 The approximate strength of 4000 psi concrete, using normal Portland cement, cured at normal temperature, will be ________________ psi after 7 days. Select the closet answer. | back 10 2560 |
front 11 Concrete placed in forms must never be allowed to drop freely more than ________________ meter(s). | back 11 1 |
front 12 ________________ piles are used where driving is difficult or where it is necessary to have watertight shells in place before the concrete is placed. | back 12 Swaged |
front 13 ACI Committee 347 recommends a minimum live load of ________________ psf if power buggies are to be used to transport concrete. | back 13 75 |
front 14 Thicker plywood may be bend by cutting ________________ across the inner face at right angles to the curve. | back 14 Kerfs |
front 15 Concrete should be discharged within ________________ hours after the introduction of cement and aggregate to water in a truck mixer. | back 15 1 1⁄2 |
front 16 In a steel frame structure, ________________ is the type of connection is generally used in location where the applied load acts primarily in one direction without much variation in magnitude. | back 16 Bearing |
front 17 ________________ psi is the compressive strength of non-air-entrained concrete after 28 days if the water/cement ratio is 0.750 by weight. | back 17 2,500 |
front 18 A frame can be defined as a braced frame when lateral displacement has been | back 18 Prevented |
front 19 A total capacity of all six piles supporting one Number 2 pile cap is ________________ tons. The soil bearing capacity is 7,750 pounds per square foot. The shear resistance for the soil is 630 pounds per square foot. Each pile is 21 feet long, 14 inches in average diameter with a 12-inch tip for driving. | back 19 Between 155 and 165 |
front 20 Bolt holes for bolted connections in structural steel are normally drilled | back 20 1/16 inch larger than the bolt diameter |
front 21 The weight of the formwork itself can vary from ________________ psf. | back 21 3 to 15 |
front 22 Compacted clay has a soil swell percentage of | back 22 25 |
front 23 A contractor has a trial batch of air-entrained concrete that has a 3" to 4" slump and is comprised of a maximum sized 1-inch coarse aggregate. Approximately ________________ lbs per yd' of mixing water will be required. | back 23 285 |
front 24 A contractor has to select one of four different materials to use for insulation. the best insulation. ________________ will provide the best insulation. | back 24 Material B with a U factor of 0.120 |
front 25 The use of ________________ is not an acceptable method for tightening or checking tension on high strength steel bolts. | back 25 A basin wrench |
front 26 The latest masonry codes dealing with mortar specifications lean toward the use of two mortar types, | back 26 S & N |
front 27 ________________ is not an advantage of using wood piles. | back 27 They can carry greater loads than other types of piles |
front 28 When laying out batter boards for an excavation, they should be set back ________________ from the edge of the excavation. | back 28 Far enough so they are not disturbed during the excavation |
front 29 The main point to consider in selecting excavation equipment is the | back 29 Volume of material to be removed |
front 30 ________________ are horizontal bars that are fastened to posts, which are set up singularly or in pairs around important points. | back 30 Batter boards |
front 31 Bracing for wall forms should be based on a minimum of ________________ lbs per lineal ft applied at the top of the form. | back 31 100 |
front 32 ________________ piles transfer loads through unstable surface soils to the denser, more stable soils below. | back 32 Bearing |
front 33 The leveling instrument which is designed primarily for measuring horizontal and vertical angles and whose telescope can be rotated 360 degrees in a vertical plane is a ________________ level. | back 33 Transit |
front 34 In a structural steel frame, the connections used to join the bents to one another are considered to be ________________ type and bracing is required along the length of the building to ensure stability in that direction. | back 34 Pin |
front 35 The relative bearing strength of soft clay is ________________ psf. | back 35 800 |
front 36 A rubber tire scraper has a heaped capacity of 50 cubic yards. The machine operates with a 45 minute per hour efficiency. The shrinkage factor for the soil is 74 percent. The total cycle time is 7.7 minutes. The anticipated production of the machine is ________________ cubic yards per hour. | back 36 216 |
front 37 A contractor sets up a level rod and takes a backsight reading on a benchmark with a known elevation of 22.37'. The rod reading is 6.42 feet. The contractor then gets a rod reading on the bottom of an excavation for a footing. The elevation of the footing is 15.0'. The rod reading should be ________________ feet. | back 37 13.79 |
front 38 Cross bracing loads in a rigid frame in a structural building are usually in | back 38 Tension |
front 39 The tendons are raised higher above the form in the vicinity of the ________________ column than at the midspan of the slab. | back 39 Supporting |
front 40 ________________ is the term for the marker that establishes the boundaries of the lot for a building to be constructed. | back 40 Monuments |
front 41 ________________ inches is the maximum butt diameter for any length wood pile. | back 41 20 |
front 42 Two brick walls with a minimum 4-inch continuous air space between is called a ________________ wall. | back 42 Cavity |
front 43 ________________ is not one of the requirements in building design that is addressed by the application of insulation or insulating materials within the building envelop assembly. | back 43 The transfer of heat from one face to another |
front 44 ________________ is not a satisfactory glue to be used when the laminated member will be continuously immersed in water. | back 44 Casein |
front 45 ________________ is not a purpose that is served when placing reinforcing steel in beams. | back 45 To add structural support |
front 46 The ________________ is not a factor that influences the lateral concrete pressure on formwork. | back 46 Weight of the concrete |
front 47 Straight-leg pans are supported by nailing them to the sides of joists with ________________ nails. | back 47 Double headed |
front 48 The ________________ does not affect the load capacity of a crane. | back 48 Clearance height required to reach the load |
front 49 The ________________ splice is the most common type of splice because of its simplicity. | back 49 Lap |
front 50 Dynamite is produced in various grades and a 60% grade dynamite is ________________ times as strong as a 30% grade dynamite. | back 50 1-1/3 |