A round yellow warning sign with an “X” symbol and black “RR” letters is placed along the road before you get to a railroad crossing.
Railroad Crossing Signs
2/
4
A round yellow warning sign with an “X” symbol and black “RR” letters is placed along the road before you get to a railroad crossing.
Advance Warning Sign. This is usually the first sign you see when approaching a highway-rail intersection.
| not answered | answered (during exam or knowledge check) |
| answered correctly (after exam or knowledge check) | answered incorrectly (after exam or knowledge check) |
This option highlights the correct answer and provides a prompt or explanation, if available.
All questions on the questions list are highlighted (red or green), depending on the correctness of the answers.
Please note: your answers from this attempt won't be saved if you use this option.
| Keys | Gesture | |
|---|---|---|
| previous example (the same action as button) dismiss all modal windows |
||
| next example (the same action as button) dismiss all modal windows |
||
| / | Play / pause video | |
| F | Add (or remove) example (or question) to (from) favorite list | |
| S | Shows prompts for questions (if exist). |
| icon | description |
|---|---|
| List of questions (test part) | |
| Allows you to check your knowledge which was presented in particular topic. | |
| Topic examples. | |
|
It saves your favorite questions and examples .
It saves examples marked as "known" . |
|
|
Displays a table with current statistics of your answers. Additionally, it allows you to save your results for tracking your progress. Once you saved your answers, you are able to check the correctness of each question separately on the question list . |
|
| This window. |
| icon | description |
|---|---|
| Jump to first or previous example or question (depends on which part of lesson you are in) | |
| Jump to last or next example or question (depends on which part of lesson you are in) | |
| "I know it" feature. Allows you to mark content as known or unknown. It also presents status of knowing. Your knowledge of particular topics and chapters will be presented in your stats. | |
| It allows you to add a selected question or example to your private bookmarks. You can review all your favorite questions or examples. | |
| Shows explanation / prompt when you are taking the test. Result won't be saved if you'll use it. |
| icon | description |
|---|---|
There can be more than one (square) or only one (circle) correct answer for particular question. One correct answer applies to almost every question. |
If you'd like to save your result and check correct answers tap/click on bellow.
After you have saved your answers, you can tap/click on to review your answers at any time.
If you are happy with your result you can go to:
If you'd like to show list of questions and your answers tap/click which is located in navigation bar.
If you'd like to try again then go to Railroad Crossing Signs . You can also proceed to: