CDL PRACTICE TEST - GENERAL KNOWLEDGE (ALASKA)
11.
Which of the following is NOT correct? Anti-lock brakes:
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help drivers avoid skids caused by over braking.
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give drivers more control over the vehicle during braking.
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require drivers to apply the brakes as hard as they can without locking the wheels.
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12.
You are driving on a two-lane road. If an oncoming driver has drifted into your lane:
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a move to your right is best.
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you should brake as hard as you can.
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a move to your left is best.
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13.
Which of the following statements about driving in slippery conditions is NOT true?
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The roads are most slippery in the first half hour after it starts to rain.
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As the temperature rises to the point where ice begins to melt, the road becomes less slippery.
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When the temperature drops, bridges will freeze before the road will.
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14.
If your license is suspended:
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you must notify your employer within 2 weeks.
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you must notify the Department of Transportation.
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you must notify your employer within 2 business days.
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15.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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75 psi
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50 psi
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100 psi
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16.
Reaction distance is the distance you will continue to travel, in ideal conditions:
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before you physically hit the brakes.
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before the vehicle comes to a complete stop.
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from the time your eyes see a hazard until your brain recognizes it.
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17.
Which of the following is not a braking system on a truck?
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Service brake
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Steering brake
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Parking brake
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18.
To keep your vehicle from rolling back when you start, you should:
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apply the emergency brake whenever necessary.
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turn the engine off before you take your foot off the brake.
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partly engage the clutch before you take your foot off the brake.
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19.
If you've been drinking alcohol, only ____ will sober you up.
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time
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a cold shower
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black coffee
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20.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
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apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
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apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
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increase your speed to approximately 45 mph, and then apply release the brakes.
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