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