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