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Question:

Which of these best describes how you should use the brake pedal on a steep downhill grade?

A Repeated braking to supplement engine braking
Explaination

On a long or steep downgrade, don't keep applying your brakes continuously because this might cause them to fade (become less effective). Instead, apply your brakes only as a supplement to engine braking. Use the following technique: Select a "safe" speed. Let your vehicle reach this speed. Brake just hard enough until you are going 5 mph slower. Then let your speed increase back to the "safe" speed. Keep varying your speed up and down this way. This technique is known as snub braking or snubbing.