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