CDL Permit Test Flashcards
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Questions and Answers

What is the most important reason for doing a vehicle inspection?

To ensure the vehicle is safe to drive and roadworthy.

What things should you check during a trip?

Tires, brakes, lights, connections to trailer, trailer coupling devices, cargo securement devices.

Name some key steering system parts.

Steering wheel, steering shaft, gear box, hydraulic fluid reservoir, pitman arm, drag link, steering knuckle, spindle, power steering cylinder, steering arm, tie rod.

Name some suspension system defects.

<p>Missing or broken leaf springs, leaking shock absorbers, broken spring hangers, cracked or damaged torque rod arms, u-bolts, and other axle positioning parts.</p> Signup and view all the answers

Name three kinds of emergency equipment you must have.

<p>Fire extinguisher, 3 red triangles, spare fuses.</p> Signup and view all the answers

What is the minimum tread depth for front tires? For other tires?

<p>4/32&quot; for front tires, 2/32&quot; for all others.</p> Signup and view all the answers

Name some things you should check on the front of your vehicle during the walk around inspection.

<p>Condition of axle and steering system, condition of the windshield, wiper arms, wiper blades, and lights &amp; reflectors.</p> Signup and view all the answers

What should wheel bearing seals be checked for?

<p>Leaks.</p> Signup and view all the answers

How many red reflective triangles should you carry?

<p>Three.</p> Signup and view all the answers

How do you test hydraulic brakes for leaks?

<p>Pump three times, hold brake down for 5 seconds. Brakes should hold; if not, there is a problem.</p> Signup and view all the answers

Why put the starter switch key in your pocket during the pre-trip inspection?

<p>So no one moves the truck while you are inspecting it.</p> Signup and view all the answers

Why should you back toward the driver's side?

<p>It is safer because the driver can see more.</p> Signup and view all the answers

If stopped on a hill, how can you start moving without rolling back?

<p>Engage parking brake or clutch before removing foot from brake.</p> Signup and view all the answers

When backing, why is it important to use a helper?

<p>The helper can see more than the driver, including blind spots, making it safer.</p> Signup and view all the answers

What's the most important hand signal that you and the helper should agree on?

<p>Stop.</p> Signup and view all the answers

What are the two special conditions where you should downshift?

<p>Before a downward grade and slowing for a curve.</p> Signup and view all the answers

When should you downshift automatic transmissions?

<p>Before coming to a downward grade.</p> Signup and view all the answers

Retarders keep you from skidding when the road is slippery.

<p>False</p> Signup and view all the answers

What are the two ways to know when to shift?

<p>RPM or MPH.</p> Signup and view all the answers

How far ahead does the manual say you should look?

<p>12-15 seconds.</p> Signup and view all the answers

What are two main things to look for ahead?

<p>Look for traffic or other hazards on the road.</p> Signup and view all the answers

What's your most important way to see the sides and rear of your vehicle?

<p>Adjust mirrors when the trailer is straight for the best viewing angles.</p> Signup and view all the answers

What does 'communicating' mean in safe driving?

<p>Using signals, horn, or lights to warn drivers of hazards or changes in driving.</p> Signup and view all the answers

Where should your reflectors be placed when stopped on a divided highway?

<p>Behind the vehicle, at 10ft, 100ft, and 200ft.</p> Signup and view all the answers

What three things add up to total stopping distance?

<p>Perception Distance + Reaction Distance + Braking Distance.</p> Signup and view all the answers

If you go twice as fast, will your stopping distance increase by two or four times?

<p>Four times.</p> Signup and view all the answers

Empty trucks have the best braking.

<p>False</p> Signup and view all the answers

What is hydroplaning?

<p>When tires lose contact with the road surface due to water on the roadway.</p> Signup and view all the answers

What is 'black ice'?

<p>Thin layer of ice over the roadway where you can see the pavement, looks wet.</p> Signup and view all the answers

How do you find out how many seconds of following distance space you have?

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If you are driving a 30-foot vehicle at 55 mph, how many seconds of following distance should you allow?

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You should decrease your following distance if somebody is following you too closely.

<p>False</p> Signup and view all the answers

If you swing wide to the left before turning right, another driver may try to pass you on the right.

<p>False</p> Signup and view all the answers

What is a hazard?

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Why make emergency plans when you see a hazard?

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What are some tips to follow so you won't become a distracted driver?

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How do you use in-vehicle communications equipment cautiously?

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How do you recognize a distracted driver?

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What is the difference between aggressive driving and road rage?

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What should you do when confronted with an aggressive driver?

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What are some things you can do to reduce your stress before and while you drive?

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You should use low beams whenever you can.

<p>False</p> Signup and view all the answers

What should you do before you drive if you are drowsy?

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What effects can wet brakes cause? How can you avoid these problems?

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You should let air out of hot tires so the pressure goes back to normal.

<p>False</p> Signup and view all the answers

You can safely remove the radiator cap as long as the engine isn't overheated.

<p>False</p> Signup and view all the answers

What factors determine your selection of a 'safe' speed when going down a long, steep downgrade?

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Why should you be in the proper gear before starting down a hill?

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Describe the proper braking technique when going down a long, steep downgrade.

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What type of vehicles can get stuck on a railroad-highway crossing?

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Stopping is not always the safest thing to do in an emergency.

<p>False</p> Signup and view all the answers

What are some advantages of going right instead of left around an obstacle?

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What is an 'escape ramp'?

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If a tire blows out, you should put the brakes on hard to stop quickly.

<p>False</p> Signup and view all the answers

How do you know if your vehicle has antilock brakes?

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What is the proper braking technique when driving a vehicle with antilock brakes?

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How do antilock brakes help you?

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What are some things to do at an accident scene to prevent another accident?

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Name two causes of tire fires.

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What kinds of fires is a B:C extinguisher not good for?

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When using your extinguisher, should you get as close as possible to the fire?

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Name some causes of vehicle fires.

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Common medicines for colds can make you sleepy.

<p>True</p> Signup and view all the answers

Coffee and a little fresh air will help a drinker sober up.

<p>False</p> Signup and view all the answers

What is a hazardous materials placard?

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Why are placards used?

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Study Notes

Vehicle Inspection

  • Vehicle inspection ensures safety and roadworthiness before driving.
  • Key checks during a trip include tires, brakes, lights, trailer connections, and cargo securement devices.

Steering and Suspension

  • Important steering components: steering wheel, gear box, hydraulic reservoir, and tie rod.
  • Common suspension defects: broken leaf springs, leaking shock absorbers, and damaged axle positioning parts.

Emergency Equipment

  • Required emergency items: fire extinguisher, three red triangles, flare, and spare fuses.

Tire and Wheel Checks

  • Minimum tread depth: 4/32" for front tires, 2/32" for all others.
  • Wheel bearing seals should be inspected for leaks.

Safety Procedures

  • Carry three red reflective triangles for emergencies.
  • During pre-trip inspections, keep the starter switch key in your pocket to prevent vehicle movement.
  • Back towards the driver's side for better visibility and safety.

Driving Techniques

  • To prevent rollback on hills, engage the parking brake or clutch before releasing the brake.
  • Use a helper when backing to enhance visibility and safety.

Communication

  • Agree on essential hand signals with a helper, particularly for stopping.
  • Important signals in safe driving include warning others of hazards using lights and signals.

Stopping Distance

  • Total stopping distance consists of perception distance, reaction distance, and braking distance.
  • Stopping distance increases by four times if speed doubles.

Road Conditions

  • Hydroplaning occurs when tires lose contact with the road due to water.
  • "Black ice" refers to a thin, nearly invisible layer of ice over pavement.

Following Distance

  • Allow at least 30 feet of following distance for a vehicle at 55 mph.
  • Adjust following distance according to traffic conditions, not closer if being tailgated.

Aggressive Driving Awareness

  • Recognize the difference between aggressive driving and road rage; stay calm when confronted by aggressive drivers.

Braking and Gear Management

  • Downshift before descending a hill or slowing for curves; important for controlling speed.
  • Maintain appropriate speed when going downhill, selecting the proper gear ahead of descent.

Emergency and Obstacle Navigation

  • In some cases, stopping in an emergency might not be the safest option.
  • Using escape ramps can provide a safe option in emergencies.

Handling Tire Blowouts and Vehicle Fires

  • In the event of a tire blowout, avoid slamming the brakes; maintain control of the vehicle.
  • Causes of vehicle fires include mechanical failures and improper maintenance.

Hazardous Materials

  • Hazardous materials placards indicate the presence of dangerous substances on a vehicle.
  • Placards are crucial for warning others about potential hazards during transport.

Health and Safety

  • Certain medications can increase drowsiness; avoid driving when under their influence.
  • Driving may be impaired after consuming alcohol or drugs; coffee and fresh air do not reliably sober up a person.

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Prepare for your CDL permit test with these flashcards focused on vehicle inspection and maintenance. Each card highlights essential knowledge and key components necessary for safe driving. Perfect for aspiring commercial drivers looking to enhance their understanding.

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