A. relieve warping stresses
B. relieve shrinkage stresses
C. resist stresses due to expansion
D. allow free expansion
Related Mcqs:
- The maximum thickness of expansion joint in rigid pavements is______________?
A. 0
B. 25 mm
C. 50 mm
D. 100 mm - The maximum spacing of contraction joints in rigid pavements is_____________?
A. 2.5 m
B. 3.5 m
C. 4.5 m
D. 5.5m - The shape of the camber, best suited for cement concrete pavements, is_______________?
A. straight line
B. parabolic
C. elliptical
D. combination of straight and parabolic - Tie bars in cement concrete pavements are at______________?
A. expansion joints
B. contraction joints
C. warping joints
D. longitudinal joints - Maximum daily traffic capacity of bituminous pavements is______________?
A. 500 tonnes per day
B. 1000 tonnes per day
C. 1500 tonnes per day
D. 2000 tonnes per day - Which of the following is considered to be the highest quality construction in the group of black top pavements ?
A. mastic asphalt
B. sheet asphalt
C. bituminous carpet
D. bituminous concrete - On a single lane road with two way traffic, the minimum stopping sight distance is equal to______________?
A. stopping distance
B. two times the stopping distance
C. half the stopping distance
D. three times the stopping distance - The maximum number of vehicles beyond which the rotary may not function efficiently is______________?
A. 500 vehicles per hour
B. 500 vehicles per day
C. 5000 vehicles per hour
D. 5000 vehicles per day - Nagpur road plan formula were prepared by assuming______________?
A. rectangular or block road pattern
B. radial or star and block road pattern
C. radial or star and circular road pattern
D. radial or star and grid road pattern - Highway facilities are designed for_________________?
A. annual average hourly volume
B. annual average daily traffic
C. thirtieth highest hourly volume
D. peak hourly volume of the year