CDL
Help!
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| show | Never
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| The stop light switch_______ | show 🗑
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| It is not safe to drive a vehicle that has brake drums with cracks longer than_______ of the width of the friction area. | show 🗑
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| show | Brake firmly while slowly moving forward.
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| A slack adjusters free play needs to be adjusted if it is more than about _________ when you pull on it? | show 🗑
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| show | Your air pressure may drop to a low point while driving, requiring an emergency stop.
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| The safety valve reduces pressure at _________ psi? | show 🗑
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| Why should you drain water from compressed air tanks? | show 🗑
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| show | Check and fill the alcohol level
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| show | 3 psi in one minute
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| show | 60
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| show | 32 feet
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| If your truck has a properly functioning dual air brake system and minimum size air tanks the air pressure should build up from 85 to 100 psi within how many minutes? | show 🗑
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| show | Park on ground level, wait until normal air pressure is reached, release the parking brake and move forward slowly at 5 mph. Then apply the brakes firmly using the brake pedal.
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| show | 2
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| show | Expansion of the brake drums.
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| The safety valve is set automatically when pressure is _______. | show 🗑
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| show | Can steer and so your vehicle stays in a straight line
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| show | Stop right away and safely park. Continue only after the system is fixed.
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| show | Control the air pressure applied to put on the brakes.
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| All air brake equipped vehicles have _________. | show 🗑
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| With air brake vehicles, the parking brakes should be used _____________. | show 🗑
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| show | 2
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| To check the free play of manual slack adjusters of S-cam brakes, you should park on ______? | show 🗑
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| The use of brakes on a long and steep downgrade under normal conditions is only a supplement to _________? | show 🗑
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| show | Stop and safely park as soon as possible
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| show | Spring pressure
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| show | Water can freeze in cold weather and cause brake failure
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| Repeatedly partially releasing and pressing the brake pedal may result in _____? | show 🗑
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| show | Service
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| A slack adjusters free play needs to be adjusted if it is more than about ________ how many inches when you pull hard on it? | show 🗑
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| show | 125
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| show | Never
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| When brakes are applied, the brake shoes will press against the ______? | show 🗑
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| The safety valve discharges automatically at the pressure of _________? | show 🗑
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| show | Press on the brake pedal as hard as you can, release the brakes when the wheels lock, put on the brakes again when the wheels start rolling
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| show | Water can freeze in cold weather and cause barke failure
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| Modern air brake systems combine three different systems. They are the service, the parking and the ___________ brakes. | show 🗑
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| If you do not have automatic tank drains, how often should you drain the oil and water from the bottom of compressed air storage tanks? | show 🗑
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| The proper use of the brakes when going down a long steep grade after selecting a proper gear is to brake until your speed is about ________ mph below the posted speed for your safety and release your brake | show 🗑
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