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