What is the main purpose of pavement design in highway engineering?
A Safety of drivers
B Comfort of passengers
C Durability
D Aesthetic appeal
The primary purpose of pavement design is to ensure durability. Pavements are designed to withstand traffic loads, weather conditions, and other environmental factors, ensuring that they last longer and require less maintenance.
What is a flexible pavement made of?
A Asphalt
B Bitumen
C Concrete
D Steel
Flexible pavements are typically constructed using bituminous materials like bitumen. These pavements are designed to distribute traffic loads over a larger area and are more adaptable to changes in temperature and load.
Which material is commonly used in rigid pavements?
A Gravel
B Bitumen
C Steel
D Concrete
Rigid pavements are primarily made of concrete. These pavements have high strength and low flexibility, making them ideal for highways with heavy traffic loads.
What is the function of road markings?
A Traffic control
B Surface drainage
C Decoration
D Pavement protection
Road markings play an essential role in traffic management and control by providing drivers with guidance on lanes, intersections, pedestrian crossings, and other critical road features to ensure safe driving.
Why are traffic surveys conducted?
A To reduce road accidents
B To monitor traffic volume
C To build roads faster
D To improve aesthetics
Traffic surveys help engineers gather data on vehicle types, volumes, and peak hours. This data is crucial for designing roadways, improving traffic flow, and making safety enhancements.
What is the purpose of a drainage design in highways?
A To reduce noise
B To enhance aesthetics
C To prevent flooding
D To increase speed
Proper drainage design is essential to prevent water accumulation on roads, which can lead to flooding, pavement damage, and safety hazards. Effective drainage keeps the road surface dry and stable.
Which type of road is designed for high-speed traffic without stops or intersections?
A Rural roads
B Collector roads
C Expressways
D Local roads
Expressways are highways designed specifically for high-speed traffic. They feature no intersections or stops, allowing for continuous traffic flow, and are designed for long-distance travel.
Which of the following is crucial for road safety?
A Road width
B Traffic signs
C Road aesthetics
D Pavement material
Traffic signs are essential for road safety, as they provide drivers with crucial information regarding speed limits, hazards, road conditions, and other important driving instructions to prevent accidents.
What is the key advantage of using bituminous materials for roads?
A Durability under all conditions
B Low cost
C Flexibility and water resistance
D High strength
Bituminous materials are flexible and water resistant, making them ideal for roads exposed to varying traffic loads and weather conditions. They offer better performance compared to rigid materials like concrete.
What is soil stabilization used for in highway construction?
A Improve soil strength
B Lower material costs
C Enhance aesthetics
D Reduce construction time
Soil stabilization is the process of improving the strength and durability of the soil used in road construction. This process prevents soil erosion and ensures a solid foundation for the pavement.
What is the role of highway lighting?
A To control traffic speed
B To improve aesthetic value
C To enhance visibility at night
D To reduce costs
Highway lighting is essential for ensuring visibility during nighttime, which improves safety by allowing drivers to see the road clearly, signs, and potential hazards to avoid accidents.
What does ITS stand for in the context of highways?
A Integrated Transport Solutions
B International Traffic System
C Individual Traffic Services
D Intelligent Traffic Systems
Intelligent Traffic Systems (ITS) refer to technologies used to manage and optimize traffic flow, enhance road safety, and improve vehicle communication, providing real time traffic information and control.
What does the term “pavement evaluation” refer to?
A Measuring road speed
B Estimating material costs
C Assessing pavement condition
D Testing soil quality
Pavement evaluation involves assessing the current condition of a road’s surface to determine if maintenance or rehabilitation is needed. This helps in ensuring the road is safe and functional for traffic.
What is the purpose of toll roads?
A To collect road maintenance fees
B To create more lanes
C To reduce congestion
D To speed up traffic
Toll roads are designed to generate revenue for maintaining and upgrading road infrastructure. They charge drivers a fee for using the road, which contributes to its upkeep.
What is the primary reason for widening roads?
A To increase road aesthetics
B To increase speed limits
C To increase construction costs
D To accommodate more traffic
Road widening is done to accommodate higher traffic volumes. Expanding road lanes improves traffic flow and reduces congestion, making transportation more efficient and reducing the likelihood of accidents.