CDL
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Emergency Breaks
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| show | Service Brakes, Parking Brakes, Emergency Brakes
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| Oil and water usually collect in compressed air tanks. If you do not have an automatic tank drain, when should you drain air tanks? | show 🗑
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| Why drain water from compressed air tanks? | show 🗑
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| show | a supply pressure gauge
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| What can legally hold a parking or emergency or emergency brake in position for a truck, truck tractor or bus? | show 🗑
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| You should know that your brakes are fading when: | show 🗑
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| The braking power of the spring brakes: | show 🗑
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| show | when air is pumped into the air tanks
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| The application pressure gauge shows the driver how much pressure: | show 🗑
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| If your vehicle has an alcohol evaporator, every day during cold weather you should: | show 🗑
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| During normal driving, spring brakes are usually held back by: | show 🗑
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| show | need to have air flow through the lines to work
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| In air brake vehicles, the parking brakes should be used: | show 🗑
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| show | parked
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| Why should you not fan the brakes on and off during long downgrades? | show 🗑
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| show | AIR
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| When using the parking brakes or emergency brakes, what type of pressure is being used? | show 🗑
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| show | depends on the adjustment of the service brakes
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| show | the SERVICE brake system
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| In air brake equipped vehicles, you use the parking brakes when? | show 🗑
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| show | reduce the risk of ice in air brake valves in cold weather
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| The purpose of engine retarders is to: | show 🗑
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| show | 3
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| show | 3 psi in one minute
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| What is a dual air brake system? | show 🗑
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| What are slack adjusters? | show 🗑
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| How can you test the low pressure warning signal? | show 🗑
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| What is the purpose of an alcohol evaporator? | show 🗑
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| show | squeeze braking
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| show | takes more time to flow through the lines than hydraulic fluid
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| show | 2 psi in one minute
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| To test air service brakes, you should brake firmly when moving slowly forward. The brakes are okay if you notice: | show 🗑
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| show | Air usage is less with light steady pressure
Brake linings do not heat up as much with light pressure
You can keep vehicle speed constant in a low gear with light, steady pressure
(All of the above)
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| When you have to make a quick emergency stop, you should brake in a way that allows you to: | show 🗑
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Created by:
zedoc43