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