Q. What does the term 'fatigue cracking' refer to in pavement engineering?
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A.
Cracking due to thermal expansion
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B.
Cracking due to repeated traffic loading
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C.
Cracking due to moisture infiltration
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D.
Cracking due to poor material quality
Solution
Fatigue cracking occurs due to repeated traffic loading, leading to the deterioration of the pavement surface.
Correct Answer:
B
— Cracking due to repeated traffic loading
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Q. What is the primary function of a pavement's surface course?
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A.
To provide structural support
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B.
To enhance aesthetic appeal
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C.
To resist wear and provide skid resistance
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D.
To facilitate drainage
Solution
The surface course is designed to resist wear from traffic and provide skid resistance for safety.
Correct Answer:
C
— To resist wear and provide skid resistance
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Q. What is the primary purpose of using asphalt in pavement construction?
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A.
To provide a rigid surface
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B.
To enhance flexibility and durability
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C.
To reduce noise pollution
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D.
To increase the weight of the pavement
Solution
Asphalt is primarily used for its flexibility and durability, allowing it to withstand traffic loads and environmental conditions.
Correct Answer:
B
— To enhance flexibility and durability
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Q. Which material is commonly used as a base layer in flexible pavement design?
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A.
Granular material
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B.
Steel reinforcement
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C.
Bituminous binder
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D.
Concrete slabs
Solution
Granular material is commonly used as a base layer in flexible pavement design to provide support and drainage.
Correct Answer:
A
— Granular material
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Q. Which of the following factors is NOT considered in the design of flexible pavements?
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A.
Traffic load
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B.
Subgrade strength
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C.
Environmental conditions
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D.
Pavement color
Solution
Pavement color is not a factor in the structural design of flexible pavements; the other factors are critical.
Correct Answer:
D
— Pavement color
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Q. Which of the following is NOT a type of pavement material?
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A.
Concrete
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B.
Asphalt
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C.
Gravel
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D.
Steel
Solution
Steel is not a type of pavement material; it is used in structural applications, while concrete, asphalt, and gravel are common pavement materials.
Correct Answer:
D
— Steel
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Q. Which test is commonly used to determine the strength of asphalt mixtures?
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A.
Marshall Stability Test
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B.
California Bearing Ratio Test
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C.
Unconfined Compressive Strength Test
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D.
Los Angeles Abrasion Test
Solution
The Marshall Stability Test is widely used to evaluate the strength and stability of asphalt mixtures.
Correct Answer:
A
— Marshall Stability Test
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