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