HIGHWAY ENGINEERING QUIZ

If the average center to center spacing of vehicles is 20 meters, then the basic capacity of a traffic lane at a speed of 50 kmph is

2000 vehicles per hour

1000 vehicles per hour

2500 vehicles per day

2500 vehicles per hour

TRUE ANSWER : ?
YOUR ANSWER : ?

When two equally important roads cross roughly at right angles, the suitable shape of central island is

tangent

circular

elliptical

turbine

TRUE ANSWER : ?
YOUR ANSWER : ?

For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is

1 in 60

1 in 48

1 in 36

1 in 30

TRUE ANSWER : ?
YOUR ANSWER : ?

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

elliptical

circular

tangent

turbine

TRUE ANSWER : ?
YOUR ANSWER : ?

Desire lines are plotted in

traffic volume studies

origin and destination studies

speed studies

accident studies

TRUE ANSWER : ?
YOUR ANSWER : ?

The most suitable equipment for compacting clayey soils is a

smooth wheeled roller

sheep foot roller

pneumatic tyred roller

vibrator

TRUE ANSWER : ?
YOUR ANSWER : ?

In the penetration macadam construction, the bitumen is

None of these

Premixed with aggregates and then spread

Sprayed before the aggregates are spread and compacted

Sprayed after the aggregates are spread and compacted

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following shapes is preferred in a valley curve ?

spiral

simple parabola

lemniscate

cubic parabola

TRUE ANSWER : ?
YOUR ANSWER : ?

If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression

3.8 NV”2

0.38 N V3/2

0.38 (NV3)”2

3.8 (NV3)”2

TRUE ANSWER : ?
YOUR ANSWER : ?

Stopping sight distance is always

more than overtaking sight distance

less than overtaking sight distance

None of these

equal to overtaking sight distance

TRUE ANSWER : ?
YOUR ANSWER : ?

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