Oregon cdl Class B Knowledge Test - 1
Number of questions: 50
Passing score: 80%
Acceptable number of errors: 10
10. When traveling down a steep downgrade:
A
×
The air brakes should be used.
B
√
Shift into a lower gear, then use brakes to supplement the braking effect of the engine.
C
×
The vehicle should be continually downshifted in the place of using the brakes.
D
×
The vehicle should be driven on the shoulder.