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