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Test your basic knowledge |
Transportation Engineering
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 34 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Rate per hundred million vehicle miles of travel
Approach sight triangle
RHMVH
Standard deceleration rate for SSD braking
Geometric Design
2. Provide lateral guidance and support vehicles
function of pavements
Rural Functional Classes
Function of Roads
RHMVH
3. Grades - length
Types of Pavement Failures
veritcal alignment
Standard deceleration rate for SSD braking
Types of pavement surfaces
4. Curves - curves with spirals - broken back - compound curves - reverse curves
Running Speed
When to apply DSD
Types of Horizontal Curves
RHMVH
5. Uses circular curves for constant radius; curves require superelevation; the length is measured along the curve between its beginning and ending point
Operating Speed
Intersection Sight Distance
function of pavements
Horizontal Curves
6. Interchanges or intersections with unexpected or unusal maneuvers; changes in cross sectionl areas of concentrated demand
function of pavements
Types of Horizontal Curves
When to apply DSD
broken back
7. Vertical point of curvature; PVC = PVI - g1^2(L)/2
When to apply DSD
Standard PRT for SSD
VPC
Design Speed
8. Speed without any impacts of delay (TMS)
Rural Functional Classes
Types of pavement surfaces
Approach sight triangle
Running Speed
9. Average speed of drivers (SMS)
Operating Speed
Types of Pavement Failures
horizontal alignment
Intersection Sight Distance
10. Sight distance - horizontal alignment - vertical alignment - combo of vert. and horiz. alignment - minimum cross slope - edge radii - ISD - freeway ramp junctions - horiz. and vert. clearances
Geometric Design
Basis for Design
Factors that affect design
Elements of Design
11. The distance required to react and brake -- does not impact geometric design until it is applied to the characteristics of design such as vertical curve length
Factors that affect design
Basis for Design
Horizontal Curves
Stopping Sight Distance
12. Principal Arterial (freeway is the highest class) - Minor Arterial - Collector - Local Roads and Streets
veritcal alignment
Functional Classes
Design Standard References: Roadways & Rail
RHMVH
13. Interstate - Principal Arterial - Minor Arterial - Major & Minor Collector - Local
Rural Functional Classes
Geometric Design
Design Speed
Stopping Sight Distance
14. Superelevation - side friction - radius
Types of Pavement Failures
Horizontal Curves
Approach sight triangle
horizontal alignment
15. Must be able to see far enough to be able to cross the road from a stop
Rural Functional Classes
function of pavements
horizontal alignment
Departure sight triangle
16. Uses parabolic curve for variable radius; length is determined by the rate of change; length along the curve is the projected horizontal distance
Design Speed
RMEV
compound curves
Vertical Curves
17. Multiple curves connected directly together go from large radii to smaller radii (similar to spiral curves)
Functional Classes
RMEV
Types of pavement surfaces
compound curves
18. Climate conditions - terrain - type of area (rural or urban); and frequency of slow moving vehicles
Intersection Sight Distance
Superelevation is controlled by 4 factors
Types of pavement surfaces
When to apply DSD
19. 11.2 fps^2
Standard deceleration rate for SSD braking
Horizontal Curves
Functional Classes
Running Speed
20. Vertical point of tangency; PVT = PVI + g2^2(L)/2
Design Speed
VPT
When to apply DSD
Intersection Sight Distance
21. Two curves with different radii connected back to back in the same direction
Approach sight triangle
Rural Functional Classes
broken back
Types of Horizontal Curves
22. 2.5
Types of Pavement Failures
Operating Speed
Standard PRT for SSD
Design Standard References: Roadways & Rail
23. Distance required to permit control of the vehicle to avoid collisions
Function of Roads
Intersection Sight Distance
Standard PRT for SSD
VPT
24. Roadways: AASHTO Green Book & TxDOT Roadway Design Manual Rail: American Railway Eng. Ass.
Factors that affect design
Urban Functional Classes
Design Standard References: Roadways & Rail
VPC
25. Term used to describe the way in which highway designers try to fit the highway to the terrain while maintaining design standards fro safety and performance
Types of Horizontal Curves
Geometric Design
Departure sight triangle
broken back
26. Mobility & Access
Function of Roads
compound curves
Types of Horizontal Curves
RHMVH
27. Interstate + Freeway/Expressway - Principal Arterial - Minor Arterial - Collector - Local
Design Speed
Design Standard References: Roadways & Rail
Urban Functional Classes
Factors that affect design
28. Must be able to see far enough to stop before the intersection
Vertical Curves
compound curves
Types of Horizontal Curves
Approach sight triangle
29. Rate per million entering vehicles
Departure sight triangle
veritcal alignment
RMEV
compound curves
30. Infrastructure - vehicles - operators
Departure sight triangle
Factors that affect design
Stopping Sight Distance
Superelevation is controlled by 4 factors
31. Asphalt: alligator - longitudinal - reflection - pothole - rutting - pumping --- Concrete: corner breaks - durability cracks - longitudinal crack - joint seal failure - scaling/spalling - blowup
compound curves
Types of Pavement Failures
Basis for Design
veritcal alignment
32. Selected speed used to determine the various geometric design features of the roadway (controls your horizontal adn vertical curves)
Horizontal Curves
Elements of Design
RMEV
Design Speed
33. Design for function NOT volume; (Ex. Roads designed only on volume: Briarcrest Drive and Rock Prairie Rd)
Standard deceleration rate for SSD braking
veritcal alignment
Basis for Design
Rural Functional Classes
34. Flexible: asphalt concrete; rigid: portland cement concrete
Elements of Design
Superelevation is controlled by 4 factors
Types of pavement surfaces
VPT