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