AIR BRAKES PRACTICE TEST - ARKANSAS
16.
Emergency brakes must be held on by:
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hydraulic pressure.
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mechanical force.
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dynamic pressure.
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air pressure.
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17.
A tank endorsement is:
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only required when transporting liquids.
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not required when transporting hazardous materials.
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required for both liquids and gases.
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only required when transporting gases.
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18.
The air compressor governor:
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controls when the air storage tanks will pump air into the air compressor.
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stops the compressor from pumping air.
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allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
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All of the above.
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19.
An Anti-lock Braking System (ABS):
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always shortens your stopping distance.
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lets you drive faster.
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keeps your wheels from locking up when you brake hard.
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increases your normal braking capability.
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20.
The ________ brake system applies and releases the brakes when the driver uses the brake pedal during normal driving.
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emergency
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parking
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anti-lock
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service
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