SGI Class 1 Practice Questions - Saskatchewan Class 1 Commercial Driver Licence Written Exam

What is 'air brake lag' and how does it affect stopping distance compared to hydraulic brakes?

It is the time it takes the air compressor to start up, adding 10 seconds to stops It is the time required for compressed air to travel through the lines to the brake chambers after the pedal is pressed, adding roughly 0.4 second (and several metres) to stopping distance It is a delay in the engine cooling fan, which has no effect on braking It is the time it takes for the brake pads to cool down

Correct Answer:

It is the time required for compressed air to travel through the lines to the brake chambers after the pedal is pressed, adding roughly 0.4 second (and several metres) to stopping distance

Access more questions from this quiz

Continue to SGI Class 1 Practice Questions - Saskatchewan Class 1 Commercial Driver Licence Written Exam for more practice questions and the full quiz experience.

Access More Questions