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