CDL
Courses
LMS
English
English
Ukrainian
Russian
Polish
Login
Home
CDL
Permit
General Knowledge #3
Practice Test
Active Practice Session
General Knowledge #3
Question 1 of 50
2% complete
Question 1
What changes occur to the tar on road surfaces during hot weather?
A
It bleeds making the road surface slippery.
B
It hardens, increasing tire grip.
C
It evaporates, leaving gaps in the road.
Select an answer to continue.
This website uses cookies in order to offer you the most relevant information. Please accept cookies for optimal performance.
I Agree