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