A. same viscosity
B. viscosity in increasing order from RC-2 to SC-2
C. viscosity in decreasing order from RC-2 to SC-2
D. none of the above
Related Mcqs:
- Coefficient of friction is less when the pavement surface is________________?
A. rough
B. dry
C. smooth and dry
D. smooth and wet - If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be________________?
A. less than b/2h and greater than co-efficient of lateral friction
B. less than b/2h and also less than co-efficient of lateral friction
C. greater than b/2h and less than co-efficient of lateral friction
D. greater than b/2h and also greater than coefficient of lateral friction - For a constant value of coefficient of lateral friction, the value of required super-elevation increases with_______________?
A. increase in both speed and radius of curve
B. decrease in both speed and radius of curve
C. increase in speed and with decrease in radius of curve
D. decrease in speed and with increase in radius of curve - The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is____________________?
A. 0.1 %
B. 1 %
C. 10%
D. no compensation - Desire lines are plotted in_________________?
A. traffic volume studies
B. speed studies
C. accident studies
D. origin and destination studies - If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is________________?
A. 1500 vehicles per hour
B. 2000 vehicles per hour
C. 2500 vehicles per hour
D. 3000 vehicles per hour - When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is________________?
A. circular
B. tangent
C. elliptical
D. turbine - Bitumen of grade 80/100 means______________?
A. its penetration value is 8 mm
B. its penetration value is 10 mm
C. its penetration value is 8 to 10 mm
D. its penetration value is 8 to 10 cm - If the group index value of subgrade is between 5 and 9, then the subgrade is treated as_____________?
A. good
B. fair
C. poor
D. very poor - Which of the following premix methods is used for base course ?
A. bituminous carpet
B. mastic asphalt
C. sheet asphalt
D. bituminous bound macadam
