HIGHWAY ENGINEERING QUIZ

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

3000 vehicles per hour

2000 vehicles per hour

2500 vehicles per hour

1500 vehicles per hour

TRUE ANSWER : ?
YOUR ANSWER : ?

For highway geometric design purposes the speed used is

15th percentile

98 “”percentile

85th percentile

50 “”percentile

TRUE ANSWER : ?
YOUR ANSWER : ?

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

greater than b/2h and less than co-efficient of lateral friction

less than b/2h and also less than co-efficient of lateral friction

less than b/2h and greater than co-efficient of lateral friction

greater than b/2h and also greater than coefficient of lateral friction

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following represents a carpet of sand-bitumen mix without coarse aggregates ?

mastic asphalt

bituminous carpet

bituminous concrete

sheet asphalt

TRUE ANSWER : ?
YOUR ANSWER : ?

Camber in the road is provided for

counteracting the centrifugal force

None of these

having proper sight distance

effective drainage

TRUE ANSWER : ?
YOUR ANSWER : ?

In case of summit curves, the deviation angle will be maximum when

an ascending gradient meets with a descending gradient

an ascending gradient meets with a level surface

an ascending gradient meets with another ascending gradient

a descending gradient meets with another descending gradient

TRUE ANSWER : ?
YOUR ANSWER : ?

If aggregate impact value is 20 to 30 percent, then it is classified as

unsuitable for road surfacing

exceptionally strong

strong

satisfactory for road surfacing

TRUE ANSWER : ?
YOUR ANSWER : ?

Coefficient of friction is less when the pavement surface is

dry

smooth and dry

smooth and wet

rough

TRUE ANSWER : ?
YOUR ANSWER : ?

Nagpur road plan formula were prepared by assuming

radial or star and grid road pattern

radial or star and circular road pattern

rectangular or block road pattern

radial or star and block road pattern

TRUE ANSWER : ?
YOUR ANSWER : ?

The binder normally used in flexible pavement construction is

cement

lime

bitumen

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?