CIVIL ENGINEERING Transportation Engineering Reviewer for Sanitary Engineer

The Sanitary Engineering Licensure Examination in the Philippines covers various disciplines essential for public health and infrastructure development. One key area within Civil Engineering is Transportation Engineering, which ensures the efficient movement of people and goods through well-designed transportation systems. Sanitary engineers must understand roadway design, traffic management, and pavement materials, particularly in relation to sanitation projects such as waste transportation and drainage integration in urban planning.

1. Design and Maintenance of Transportation Systems

The construction and upkeep of roads, bridges, and airports require a deep understanding of structural integrity and sustainability. Sanitary engineers must consider proper drainage design, load-bearing capacity, and material durability to prevent infrastructure deterioration. Effective roadway and bridge design also ensure access to sanitation facilities in both urban and rural settings.

2. Traffic Engineering and Transportation Planning

Traffic flow and urban mobility are crucial for efficient sanitation services, such as waste collection and disposal. The board exam may cover traffic signalization, intersection design, road capacity analysis, and urban transportation planning to optimize vehicle movement, reduce congestion, and improve public health conditions. Integrating sanitation routes into city planning ensures that waste management systems function efficiently.

3. Pavement Design and Materials

The selection of pavement materials directly impacts road longevity and maintenance costs. Topics such as flexible and rigid pavement design, asphalt and concrete mix properties, and pavement distress evaluation are crucial. Ensuring proper road surfaces prevents erosion and structural failures, which could affect sanitation-related transport.

SANITARY ENGINEER REVIEWER

Welcome to our Sanitary Engineer Reviewer. In this session, you'll have the opportunity to test your understanding of key concepts in Transportation Engineering. The quiz consists of multiple-choice questions covering various topics. Pay close attention to each question and select the best answer. After completing the exam, check the video or the answer key and explanations at the last part.

Design and Maintenance of Transportation Systems

1. What is the primary design factor in determining the thickness of a road pavement?

A. Traffic volume and load

B. Road width

C. Weather conditions

D. Drainage system

2. Which type of pavement is known for its high initial cost but long-term durability?

A. Flexible pavement

B. Rigid pavement

C. Gravel pavement

D. Asphalt pavement

3. What is the primary purpose of an expansion joint in bridge design?

A. To prevent vehicles from skidding

B. To allow movement due to temperature changes

C. To support heavy loads

D. To reduce the cost of construction

4. Which is the most commonly used design speed for urban roads in the Philippines?

A. 40 km/h

B. 60 km/h

C. 80 km/h

D. 100 km/h

5. What is the primary material used in asphalt pavement construction?

A. Cement and sand

B. Bitumen and aggregate

C. Concrete and steel reinforcement

D. Gravel and clay

6. Which of the following factors affects the selection of airport runway orientation?

A. Wind direction

B. Passenger capacity

C. Terminal location

D. Length of the taxiway

7. What is the minimum vertical clearance for a highway bridge over a roadway?

A. 4.2 meters

B. 5.0 meters

C. 6.1 meters

D. 7.5 meters

8. Which of the following is a common method for maintaining asphalt roads?

A. Crack sealing

B. Water curing

C. Reinforcement with steel bars

D. Using precast concrete slabs

9. What is the most common cause of road failures in the Philippines?

A. Vehicle overload

B. Poor drainage

C. Insufficient road signs

D. Lack of pedestrian lanes

10. Which agency is responsible for maintaining national highways in the Philippines?

A. MMDA

B. DPWH

C. DOTr

D. LTFRB

Traffic Engineering and Transportation Planning 

11. What is the primary objective of traffic engineering?

A. To maximize the number of vehicles on the road

B. To improve the efficiency and safety of transportation systems

C. To reduce the number of roads in urban areas

D. To increase vehicle speed regardless of safety

12. What does the term "level of service" (LOS) refer to in transportation planning?

A. The quality of public transportation services

B. The volume of vehicles per hour on a road

C. The operational condition of a roadway based on traffic flow

D. The amount of fuel consumed by vehicles in traffic

13. Which of the following traffic control devices is used to regulate, warn, or guide road users?

A. Road barriers

B. Traffic signals, signs, and pavement markings

C. Vehicle speedometers

D. Parking meters

14. What is the purpose of a traffic impact assessment (TIA)?

A. To measure vehicle emissions

B. To evaluate how new developments affect traffic conditions

C. To determine the price of road tolls

D. To analyze fuel consumption trends

15. Which traffic management strategy is most effective in reducing congestion during peak hours?

A. Increasing vehicle registration fees

B. Implementing bus-only lanes and high-occupancy vehicle (HOV) lanes

C. Removing pedestrian crossings

D. Reducing the number of intersections

16. What is the main objective of traffic engineering?

A. To construct more roads

B. To reduce traffic congestion and accidents

C. To increase vehicle speeds

D. To eliminate traffic signals

17. Which traffic control device provides guidance to drivers through colors and symbols?

A. Traffic lights

B. Road signs

C. Speed bumps

D. Pedestrian crossings

18. What is the standard width of a single-lane road in the Philippines?

A. 2.5 meters

B. 3.0 meters

C. 3.5 meters

D. 4.0 meters

19. Which method is used to estimate future traffic volume?

A. Pavement deflection test

B. Traffic forecasting

C. Crash analysis

D. Road widening

20. Which organization is responsible for regulating public transportation in the Philippines?

A. MMDA

B. DPWH

C. LTFRB

D. DOTr

Pavement Design and Materials

21. What is the main function of the subgrade in a pavement structure?

A. To provide a smooth riding surface

B. To distribute traffic loads to the underlying soil

C. To act as a waterproof layer

D. To prevent vegetation growth

22. Which of the following materials is primarily used as a binder in asphalt pavement?

A. Cement

B. Lime

C. Bitumen

D. Fly ash

23. Which type of pavement consists of multiple layers of asphalt over a compacted base?

A. Rigid pavement

B. Flexible pavement

C. Composite pavement

D. Permeable pavement

24. What is the primary advantage of using rigid pavements over flexible pavements?

A. Lower initial cost

B. Higher resistance to deformation

C. Easier repair process

D. More flexible under heavy loads

25. Which test is used to determine the quality and strength of bitumen?

A. Marshall test

B. Penetration test

C. Slump test

D. Compression test

26. What is the purpose of adding air voids in asphalt concrete mixes?

A. To reduce construction cost

B. To improve workability

C. To allow expansion and contraction

D. To increase water resistance

27. Which factor has the greatest impact on the design life of a pavement structure?

A. Type of vehicles using the road

B. Number of traffic lanes

C. Type of road markings

D. Color of the pavement surface

28. Which component of pavement design helps in draining water away from the surface?

A. Wearing course

B. Base course

C. Subbase

D. Drainage layer

29. Which test is commonly used to evaluate the stability of an asphalt mix?

A. Marshall Stability Test

B. Atterberg Limit Test

C. Sieve Analysis Test

D. Specific Gravity Test

30. What is the typical service life of a properly designed and maintained asphalt pavement?

A. 5-10 years

B. 10-20 years

C. 20-30 years

D. Over 50 years

ANSWER KEY HERE