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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. 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
Elements of Design
RMEV
Types of Horizontal Curves
Operating Speed
2. Vertical point of curvature; PVC = PVI - g1^2(L)/2
Rural Functional Classes
VPC
Standard PRT for SSD
Elements of Design
3. Rate per million entering vehicles
Design Speed
Factors that affect design
horizontal alignment
RMEV
4. Speed without any impacts of delay (TMS)
Stopping Sight Distance
Types of Horizontal Curves
Basis for Design
Running Speed
5. Superelevation - side friction - radius
horizontal alignment
VPT
Stopping Sight Distance
Factors that affect design
6. Selected speed used to determine the various geometric design features of the roadway (controls your horizontal adn vertical curves)
Design Speed
Urban Functional Classes
Intersection Sight Distance
Standard PRT for SSD
7. Interchanges or intersections with unexpected or unusal maneuvers; changes in cross sectionl areas of concentrated demand
When to apply DSD
Basis for Design
Factors that affect design
VPC
8. 2.5
Running Speed
Superelevation is controlled by 4 factors
Standard PRT for SSD
Factors that affect design
9. Distance required to permit control of the vehicle to avoid collisions
Design Speed
Standard deceleration rate for SSD braking
Vertical Curves
Intersection Sight Distance
10. Asphalt: alligator - longitudinal - reflection - pothole - rutting - pumping --- Concrete: corner breaks - durability cracks - longitudinal crack - joint seal failure - scaling/spalling - blowup
RMEV
Types of Pavement Failures
Approach sight triangle
VPT
11. Average speed of drivers (SMS)
VPC
Urban Functional Classes
Operating Speed
Approach sight triangle
12. Flexible: asphalt concrete; rigid: portland cement concrete
horizontal alignment
Types of pavement surfaces
Types of Horizontal Curves
Standard PRT for SSD
13. Curves - curves with spirals - broken back - compound curves - reverse curves
Types of Horizontal Curves
RMEV
Design Standard References: Roadways & Rail
Functional Classes
14. Interstate + Freeway/Expressway - Principal Arterial - Minor Arterial - Collector - Local
Vertical Curves
Standard deceleration rate for SSD braking
Urban Functional Classes
VPT
15. 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
Urban Functional Classes
Types of Horizontal Curves
function of pavements
Geometric Design
16. 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
compound curves
Stopping Sight Distance
Elements of Design
Vertical Curves
17. Provide lateral guidance and support vehicles
function of pavements
Standard deceleration rate for SSD braking
Approach sight triangle
Urban Functional Classes
18. Principal Arterial (freeway is the highest class) - Minor Arterial - Collector - Local Roads and Streets
Design Speed
Functional Classes
function of pavements
broken back
19. Design for function NOT volume; (Ex. Roads designed only on volume: Briarcrest Drive and Rock Prairie Rd)
Horizontal Curves
Operating Speed
Design Standard References: Roadways & Rail
Basis for Design
20. Uses parabolic curve for variable radius; length is determined by the rate of change; length along the curve is the projected horizontal distance
Vertical Curves
Elements of Design
RHMVH
Types of Pavement Failures
21. Must be able to see far enough to stop before the intersection
RHMVH
Approach sight triangle
When to apply DSD
Urban Functional Classes
22. Rate per hundred million vehicle miles of travel
RHMVH
Design Standard References: Roadways & Rail
Standard deceleration rate for SSD braking
Approach sight triangle
23. 11.2 fps^2
Standard deceleration rate for SSD braking
VPT
Rural Functional Classes
Running Speed
24. Two curves with different radii connected back to back in the same direction
broken back
Standard PRT for SSD
When to apply DSD
RMEV
25. Multiple curves connected directly together go from large radii to smaller radii (similar to spiral curves)
veritcal alignment
Urban Functional Classes
VPC
compound curves
26. Infrastructure - vehicles - operators
Types of Pavement Failures
When to apply DSD
Factors that affect design
Vertical Curves
27. Must be able to see far enough to be able to cross the road from a stop
Standard PRT for SSD
Functional Classes
Vertical Curves
Departure sight triangle
28. Vertical point of tangency; PVT = PVI + g2^2(L)/2
Types of pavement surfaces
VPT
Approach sight triangle
horizontal alignment
29. Grades - length
RMEV
veritcal alignment
Elements of Design
Standard deceleration rate for SSD braking
30. Uses circular curves for constant radius; curves require superelevation; the length is measured along the curve between its beginning and ending point
Horizontal Curves
Elements of Design
Superelevation is controlled by 4 factors
compound curves
31. Roadways: AASHTO Green Book & TxDOT Roadway Design Manual Rail: American Railway Eng. Ass.
Function of Roads
VPT
Functional Classes
Design Standard References: Roadways & Rail
32. Mobility & Access
Intersection Sight Distance
Factors that affect design
VPT
Function of Roads
33. Climate conditions - terrain - type of area (rural or urban); and frequency of slow moving vehicles
Urban Functional Classes
Operating Speed
Superelevation is controlled by 4 factors
Stopping Sight Distance
34. Interstate - Principal Arterial - Minor Arterial - Major & Minor Collector - Local
Types of Pavement Failures
Types of Horizontal Curves
Rural Functional Classes
Standard deceleration rate for SSD braking