Question: The function of an expansion joint in rigid pavements is to______________?
- 1. relieve warping stresses
- 2. relieve shrinkage stresses
- 3. resist stresses due to expansion
- 4. allow free expansion
Question: The maximum spacing of contraction joints in rigid pavements is_____________?
- 1. 2.5 m
- 2. 3.5 m
- 3. 4.5 m
- 4. 5.5m
Question: The critical combination of stresses for corner region in cement concrete roads is____________?
- 1. load stress + warping stress frictional stress
- 2. load stress + warping stress + frictional stress
- 3. load stress + warping stress
- 4. load stress + frictional stress
Question: If the group index value of subgrade is between 5 and 9, then the subgrade is treated as_____________?
- 1. good
- 2. fair
- 3. poor
- 4. very poor
Question: The maximum thickness of expansion joint in rigid pavements is______________?
- 1. 0
- 2. 25 mm
- 3. 50 mm
- 4. 100 mm
Question: The fundamental factor in the selection of pavement type is_____________?
- 1. climatic condition
- 2. type and intensity of traffic
- 3. subgrade soil and drainage conditions
- 4. availability of funds for the construction project
Question: Maximum daily traffic capacity of bituminous pavements is______________?
- 1. 500 tonnes per day
- 2. 1000 tonnes per day
- 3. 1500 tonnes per day
- 4. 2000 tonnes per day
Question: The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is________________?
- 1. 8 cubic meter
- 2. 10 cubic meter
- 3. 12 cubic meter
- 4. 15 cubic meter
Question: The binder normally used in flexible pavement construction is________________?
- 1. cement
- 2. lime
- 3. bitumen
- 4. none of the above
Question: For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is________________?
- 1. dry rolling, wet rolling, application of screening and application of filler
- 2. dry rolling, application of filler, wet rolling and application of screening
- 3. dry rolling, application of screening, wet rolling and application of filler
- 4. dry rolling, application of screening, application of filler and wet rolling