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