SUBJECT 4 · BAD WEATHER & ROADS
Why should the driver control speed when driving in a tunnel?
A
Entering the tunnel will produce a process of "dark adaptation".
✓
B
The road surface adhesion coefficient inside the tunnel may decrease.
✓
C
Leaving the tunnel will trigger the process of "visual adaptation".
✓
D
There may be insufficient light and poor visibility inside the tunnel.
✓
ANSWER · A, B, C, D
When driving in a tunnel, the driver should control speed. There is a "dark adaptation" process when entering, and the road surface adhesion coefficient inside may decrease. There is a "light adaptation" process when leaving. Lighting inside the tunnel may be insufficient and visibility may be poor.
Pass China's driving test.
All 3,068 questions, mock exams, wrong-answer reviews and bookmarks in the app. One-time $7.99.
Download on the App Store