# Traffic Consideration in Pavement Design – MCQ

## Traffic Consideration in Pavement Design – MCQ

1. Contact pressure will be equal to tyre pressure when tyre pressure is

a) 10 Kg/cm2
b) 9 Kg/cm2
c) 8 Kg/cm2
d) 7 Kg/cm2

2. The lane distribution factor for dual three-lane carriageway is

a) 40% or 0.40
b) 45% or 0.45
c) 50% or 0.50
d) 60% or 0.60 ✅

(Note: For dual two-lane and four-lane carriageways, the lane distribution factor is 0.75 and 0.45 respectively. Read Also: Traffic Signs)

3. The lane distribution factor for Double lane is

a) 45% or 0.45
b) 75% or 0.75 ✅
c) 50% or 0.50
d) 60% or 0.60

4. The lane distribution factor for Single and Intermediate lane is

a) 0.45
b) 0.50
c) 0.60
d) 1.0 ✅

a) are the same as those of legal axle limits ✅
b) are less than those of legal axle limits
c) are more than those of legal axle limits
d) do not have any relation with those of legal axle limits

6. For traffic greater than 30 MSA, the bitumen grade recommended for BC plains in India is

a) VG20
b) VG30
c) VG40 ✅
d) VG60

a) 10 KN
b) 40 KN ✅
c) 70 KN
d) 80 KN

(Note: For two-wheel, the load will be (40+40) = 80 KN )

a) 10 KN
b) 40 KN
c) 60 KN
d) 80 KN ✅

(Note: A single axle carrying two wheels load)

9. Factor that least affects the pavement is

b) Speed of vehicles ✅
d) Axle configuration

10. What are the climatic factors that have effects on road pavement?

a) Variation in moisture condition
b) Frost action
c) Variation in temperature
d) All of these ✅
e) None of these