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Highway-pavements Questions Set 4:

Quiz Mode

What is the width of carriage way (in m) for single lane? (Answer format - X.XX)

Solution:

What is the maximum super elevation recommended in mountainous terrain?

10%

12.5%

Solution:

Aggregate impact value indicates the following property of aggregates

Durability

Toughness

Hardness

Strength

Solution:

If the size range of aggregate in a group is 12.5 to 16 mm, the width of slot taken in flakiness index determination will be

4.83 mm

6.75 mm

8.55 mm

10.80 mm

Solution:

If the aggregate impact value is 20 - 30%, how is the aggregate classified?

satisfactory for road surfacing

unsuitable for road surfacing

exceptionally strong

strong

Solution:

If the aggregate impact value is 10 - 20%, how is the aggregate classified?

unsuitable for road surfacing

exceptionally strong

strong

satisfactory for road surfacing

Solution:

The initial concavity in the load-penetration curve of a CBR test is NOT due to

Uneven top surface

High impact at start of loading

Inclined penetration plunger

Soft top layer of soaked soil

Solution:

The spot speed measurements (in km per hour) at a particular site were 46, 56, 40, 92, 63, 75, 68, 90, 70, 65. The difference between the time mean speed and the space mean speed is _____ km/hr.

3.9

4.1

4.3

4.5

Solution:

A circular load of radius 20 cm with uniform contact pressure of 8.0 kg/cm² is applied on the surface of a homogeneous elastic mass. The vertical stress under the center of the load at a depth of 50 cm from the surface is _______ kg/cm².

1.85

1.4

1.6

1.75

Highway-pavements Questions Set 4:

What is the width of carriage way (in m) for single lane? (Answer format - X.XX)

Solution:

What is the maximum super elevation recommended in mountainous terrain?

Solution:

Aggregate impact value indicates the following property of aggregates

Solution:

If the size range of aggregate in a group is 12.5 to 16 mm, the width of slot taken in flakiness index determination will be

Solution:

If the aggregate impact value is 20 - 30%, how is the aggregate classified?

Solution:

If the aggregate impact value is 10 - 20%, how is the aggregate classified?

Solution:

The initial concavity in the load-penetration curve of a CBR test is NOT due to

Solution:

The spot speed measurements (in km per hour) at a particular site were 46, 56, 40, 92, 63, 75, 68, 90, 70, 65. The difference between the time mean speed and the space mean speed is _____ km/hr.

Solution:

A circular load of radius 20 cm with uniform contact pressure of 8.0 kg/cm² is applied on the surface of a homogeneous elastic mass. The vertical stress under the center of the load at a depth of 50 cm from the surface is _______ kg/cm².

Solution:

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