Question: Select the correct statement______________?

• 1. More the value of group index, less thickness of pavement will be required
• 2. More the value of CBR, greater thickness of pavement will be required
• 3. Minimum and maximum values of group index can be 0 and 20 respectively
• 4. all of the above

Question: Rigidity factor for a tyre pressure greater than 7 kg/cm2 is_______________?

• 1. equal to 1
• 2. less than 1
• 3. greater than 1
• 4. zero

Question: Tie bars in cement concrete pavements are at______________?

• 1. expansion joints
• 2. contraction joints
• 3. warping joints
• 4. longitudinal joints

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