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