CDL PRACTICE TEST - GENERAL KNOWLEDGE (RHODE ISLAND)
41.
The Johnson bar is a valve that:
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reduces the braking pressure to a safe level.
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works the trailer brakes.
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is installed in the first tank the air compressor pumps air to.
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42.
The most common cause of skidding is:
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black ice.
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surface water.
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driving too fast for conditions.
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43.
Confused drivers may:
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change direction suddenly.
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stop without warning.
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All of the above.
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44.
Glad hands are:
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securement devices.
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coupling devices.
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warning devices.
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45.
Distracted driving may be caused by _________ while driving.
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reading billboards
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adjusting the radio
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All of the above.
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46.
When taking a curve you should:
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be in a gear that will let you accelerate slightly in the curve.
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slightly exceed the posted speed limit for the curve, as this will help you keep control.
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brake in the curve to avoid to locking the wheels.
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47.
What should you do at an accident scene, among other things, to help prevent another accident?
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If you are stopping to help, park in the area immediately around the accident.
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Stay in your vehicle and file an accident report.
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Put on your 4-way emergency flashers.
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48.
When an aggressive driver confronts you, you should:
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make eye contact.
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avoid eye contact.
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return gestures and shouts.
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49.
The total weight of a single vehicle including its load is called:
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Gross Vehicle Rating (GVR)
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Gross Vehicle Weight (GVW)
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Gross Vehicle Weight Rating (GVWR)
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50.
Which of the following is NOT checked in a pre-trip inspection?
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Safety equipment
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The amount of fuel in the vehicle
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Cargo securement
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