Quiz : 4 – Highway Engineering (Part-I)

 

1. The important factor considered in the design of summit curves on highways is

a) comfort to passenger

b) sight distance

c) superelevation

d) impact factor

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2. If the design speed is 80 kmph, perception reaction time is 3 seconds and coefficient of friction is 0.5, the safe stopping sight distance is _________.

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3. On sag (or valley) curves the available sight distance is determined based on

a) design speed

b) height of obstacle

c) height of driver eye

d) nighttime driving conditions

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4. The value of the camber recommended for cement concrete roads n areas of heavy rainfall is

a) 1 in 25

b) 1 in 33

c) 1 in 40

d) 1 in 50

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5. The design value of lateral friction coefficient of highway is

a) 1.5

b) 0.50

c) 0.35

d) 0.15

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6. Camber on highway pavement is provided to take care of

a) Centrifugal force

b) Drainage

c) Sight Distance

d) Off-tracking

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7. The co-efficient of frictin in the longitudinal direction of a highway is estimated as 0.396. The braking distance for a car moving at a speed of 65 km/hr is

a) 87 m

b) 45 m

c) 42 m

d) 40 m

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8. The design speed for a two-lane road is 80 kmph. When a design vehicle with a wheelbase of 6.6 m is negotiting a horizontal curve on that road, the off-tracking is measured as 0.096 m. The required widening of carriageway of the two-lane road on the curve is approximately.

a) 0.55 m

b) 0.65 m

c) 0.75 m

d) 0.85 m

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9. Mud pumping is commonly associated with

a) bituminous penetration macadam construction

b) cement concrete pavement on granular subgrade

c) premixed bituminous construction

d) cement concrete pavement on clay subgrade

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10. Road roughness is measured using

a) Benkelman beam

b) Bump integrator

c) Dynamic cone penetrometer

d) Falling weight deflectometer

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