Home › CDL Practice Tests › Combination Vehicles Questions › Question 193
What should you do with the radio, fans, and windows when approaching a crossing where you need to listen for a train?
- A.Turn the radio up so you stay alert
- B.Keep the windows up to hear the bell through the glass better
- C.Sound does not matter; only the lights matter
- D.Turn off noisy cab equipment and lower a window so you can hear a train horn or crossing bell
Correct answer
D. Turn off noisy cab equipment and lower a window so you can hear a train horn or crossing bell
Why
A train horn is an early warning that cab noise can easily mask. Quieting the cab and opening a window is a standard part of the stop-and-listen routine at crossings.
Manual topic: Combination Vehicles - Railroad Crossings · From the Combination Vehicles practice bank (CV-193).