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