IDAHO CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
For safety during a trip, you should:
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shift into a lower gear.
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use your senses to check for problems.
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drive on the shoulder of the road.
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12.
You had to drive onto the right shoulder to avoid a crash. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement?
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Keep moving at the present speed and steer very gently back onto the pavement.
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Brake hard to slow the vehicle, then steer sharply onto the pavement.
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If the shoulder is clear, stay on it until your vehicle has come to a stop, then move back onto the pavement when it is safe.
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13.
When you have to back, you should always try to back toward the driver's side. Why?
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You can watch the front of your vehicle by looking out the side window.
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You can see better and watch the rear of your vehicle by looking out the side window.
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All of the above.
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14.
When using a fire extinguisher, you should:
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Aim at the flames.
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Keep as close to the fire as possible.
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Aim at the base of the fire.
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15.
Before driving a vehicle with a dual brake brake system, the driver should:
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wait at least 10 minutes before driving.
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pump the brake pedal 10 times to build pressure.
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allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
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16.
Which of the following is NOT true about escape ramps?
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Escape ramps are found on many mountain downgrades.
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Escape ramps use a long bed of loose, soft material to slow runaway vehicles.
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Any driver who loses brakes going downhill should avoid using an escape ramp, if possible.
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17.
While driving at night, use __________ when it is safe and legal to do so.
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low beams
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high beams
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interior lights
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18.
Which of the following is NOT a warning sign of fatigue?
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Trouble remembering the last few miles driven
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Yawning repeatedly
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Engaging in conversation with a passenger
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19.
When starting your vehicle, oil pressure should come up to normal:
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in about a minute.
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within seconds.
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in about two minutes.
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20.
In a vehicle with a dual air brake system:
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one system supplies air to the trailer.
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both systems typically operate the regular brakes on the rear axle.
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each system has its own air tanks.
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