If a coolant container is part of a pressurized system which of these is true? You can check the coolant level while the engine is hot. The cap can be safely removed and coolant added even when the engine is at operating temperature. You never need to check the antifreeze in such a system.

You can check the coolant level while the engine is hot.

What should you do before driving in mountains?

Know escape ramp locations on your way.

What three distances build up the total stopping distance of your truck or bus?

Perception distance, reaction distance, and braking distance.

How does the weight of the vehicle affect stopping distance?

Empty trucks take longer to stop than if loaded, but this is not the normal case for buses.

Implied consent means:

You are giving your consent to be tested for alcohol in your blood

After starting the engine:

The coolant temperature gauge should begin a gradual rise to normal.

Your vehicle has hydraulic brakes. While traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true? Pumping the brake pedal may bring the pressure up so you can stop the vehicle. Shifting into neutral will help to slow the vehicle. The parking brake will not work either because it is a part of the same hydraulic system.

Pumping the brake pedal may bring the pressure up so you can stop the vehicle.

How much space in front of you is needed while driving on a highway?

1 second for each 10 feet of vehicle length

Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time? Options: You can almost always turn to miss an obstacle more quickly than you can to stop., Stopping is always the safest action in a traffic emergency., Leaving the road is always riskier than hitting another vehicle.

You can almost always turn to miss an obstacle more quickly than you can to stop.

You are driving a heavy vehicle. You must exit a highway using an off-ramp that curves downhill. You should:

Slow down to a safe speed before the curve.

Which of these is the most important thing to remember about emergency braking? Options: 1. Never do it without downshifting first. 2. Disconnecting the steering axle brakes will keep your vehicle in a straight-line during emergency braking. 3. If the wheels are skidding, you cannot control your vehicle.

If the wheels are skidding, you cannot control your vehicle

Can be caused by the brakes getting very hot.

Which of these is a good thing to do when driving at night? Options: Keep your instrument lights bright. Look directly at the oncoming headlights only briefly. Keep your speed slow enough that you can stop within the range of your headlights.

Keep your speed slow enough that you can stop within the range of your headlights.

What is the recommended braking technique for descending a lengthy, steep slope?

Apply brakes to 5 mph below safe speed. Release and repeat.

If your speed doubles, how will your stopping distance be affected?

Stopping distance increases by four times.

Which three types of emergency equipment are recommended to have on board? Options: Fire extinguisher, spare electrical fuses, warning device; Sunglasses, GPS device, phone charger; Snacks, water bottles, travel guide; Blanket, umbrella, first aid kit

Fire extinguisher, spare electrical fuses, warning device

What is the purpose of bridge formulas?

Permit less maximum axle weight for axles that are closer together

What is the minimal requirement for the number of tie downs for a 20-foot load?

At least one tie down for every 10 feet.

In what specific situations should you consider downshifting? Options: Before starting downhill and before entering a curve, In heavy traffic, On a straight road, While merging onto a highway

Before starting downhill and before entering a curve

When stationary on an incline, what technique can prevent your vehicle from rolling backward when starting to move?

Partly engage clutch before taking your foot off the brake.

What is a recommended practice when driving down a lengthy downhill slope?

Use the braking effect of the engine.

How would you define the term "black ice" in driving?

Thin sheet of clear ice on the roadway.

What are some components you should inspect at the front of your vehicle during a walk-around inspection?

Signal and clearance lights, headlights

What does the term "hydroplaning" refer to in driving?

Tire losing contact with the road and having no traction.

CDL General Knowledge

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FLASHCARD QUESTION

Front

Which of these is not a type of retarder? Electric, Hydraulic, Robotic

Back

Robotic

FLASHCARD QUESTION

Front

You are driving on a straight, level highway at 50 mph. There are no vehicles in front of you. Suddenly a tire blew out of your vehicle, what should you do first?

Back

Stay off the brake until the vehicle has slowed down.

FLASHCARD QUESTION

Front

Which of these statements about the hazard vehicle fire is true? Carrying a fully charged fire extinguisher may prevent a fire. Poor cargo ventilation may cause cargo to catch on fire. Under inflated tires cannot cause a vehicle fire.

Back

Poor cargo ventilation may cause cargo to catch on fire.

FLASHCARD QUESTION

Front

Perception distance is the distance your vehicle travels from the time: your eyes see a hazard to the time the brain knows that this is a hazard

Back

your eyes see a hazard to the time the brain knows that this is a hazard

FLASHCARD QUESTION

Front

What is the most important reason to inspect your truck or bus?

Back

Safety

FLASHCARD QUESTION

Front

When should you test your parking brakes? Options: While moving at a very low speed., While the vehicle is parked., When backing.

Back

While the vehicle is parked.

FLASHCARD QUESTION

Front

The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?
Options:
1. Keep varying your speed by accelerating and braking.
2. Stop driving as soon as you can do so safely.
3. Downshift to stop.

Back

Stop driving as soon as you can do so safely.

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