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Highway-pavements Questions Set 36:

Quiz Mode

The bitumen emulsion is classified as:

Medium curing

Rapid curing

Slow curing

Anionic and cationic

Solution:

The stopping sight distance of a vehicle moving at 45kmph and having a coefficient of friction of 0.4 is?

48m

49m

50m

51m

Solution:

The disadvantage of using a mechanical-empirical pavement design method is that it cannot be used for pavement rehabilitation design.

True

False

Solution:

Which of the following joint types primarily relieves tensile stress in a concrete pavement?

Contraction

Construction

Expansion

Longitudinal

Solution:

Los Angeles testing machine is generally used to conduct

Attrition Test on stones

Impact Test on stones

Abrasion Test on stones

Crushing Value Test on stones

Solution:

The coefficient of friction in the longitudinal direction of a highway is estimated as 0.39. The braking distance for a car moving at a speed of 65 Kmph is ___________ (in Metres)

Solution:

In a standard California bearing ratio test (sample height is 125 mm), the difference between the initial and final dial gauge readings is found to be 0.125 mm. What is the expansion ratio of this soil?

100

0.1

Solution:

Which of the following test uses the standard load values 1370 kg and 2055 kg, respectively, at 2.5 and 5 mm penetration into crushed stones?

Plate bearing test

Unconfined compression test

California bearing ratio test

Triaxial compression test

Solution:

Flakiness index (FI) of aggregate is the percentage by weight of aggregate particles, the least dimension of which is less than:

1/8th of their mean dimension

3/5th of their mean dimension

1/6th of their mean dimension

4/5 of their mean dimension

Solution:

As per IRC: 37-2012 in order to control sub grade rutting in flexible pavements the parameter to be considered is

Vertical compressive strain on top of subgrade

Vertical compressive stress on top of granular layer

Vertical deflection at the surface of the pavement

None of these

Highway-pavements Questions Set 36:

The bitumen emulsion is classified as:

Solution:

The stopping sight distance of a vehicle moving at 45kmph and having a coefficient of friction of 0.4 is?

Solution:

The disadvantage of using a mechanical-empirical pavement design method is that it cannot be used for pavement rehabilitation design.

Solution:

Which of the following joint types primarily relieves tensile stress in a concrete pavement?

Solution:

Los Angeles testing machine is generally used to conduct

Solution:

The coefficient of friction in the longitudinal direction of a highway is estimated as 0.39. The braking distance for a car moving at a speed of 65 Kmph is ___________ (in Metres)

Solution:

In a standard California bearing ratio test (sample height is 125 mm), the difference between the initial and final dial gauge readings is found to be 0.125 mm. What is the expansion ratio of this soil?

Solution:

Which of the following test uses the standard load values 1370 kg and 2055 kg, respectively, at 2.5 and 5 mm penetration into crushed stones?

Solution:

Flakiness index (FI) of aggregate is the percentage by weight of aggregate particles, the least dimension of which is less than:

Solution:

As per IRC: 37-2012 in order to control sub grade rutting in flexible pavements the parameter to be considered is

Solution:

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