CA Class B Driving Permit Flashcards

Questions and Answers

If you do not have a hazmat endorsement on your commercial license, you may drive a vehicle transporting hazardous material when?

If the vehicle does not require placards.

CDL medical certificates must be renewed every?

2 years

You should not use ____________ tires

Mismatched

You must notify the DMV within 5 days if you?

Sell or transfer your vehicle Signup and view all the answers

To determine a person's blood alcohol concentration, you must know __________?

How much the person weighs Signup and view all the answers

What shape of sign indicates a slow moving vehicle?

A triangle with a reflective block border Signup and view all the answers

One should limit the use of their horn because?

It can startle other drivers Signup and view all the answers

A driver should look _________ seconds ahead while driving

12-15 Signup and view all the answers

When double clutching and shifting you can use the ________?

Tachometer Signup and view all the answers

Merging into a road is safest if you _________?

Wait for a large enough gap in traffic to enter the road Signup and view all the answers

What is stab braking?

Applying the brakes until they lock up then releasing them. Signup and view all the answers

If you come upon an accident scene, you should _________ if you have no CB?

Protect the area Signup and view all the answers

Optional safety equipment may include emergency phone numbers, tire chains, and _________?

Tire changing equipment Signup and view all the answers

Making sure the __ has the right amount of _ will keep the engine cool in hot weather

Engine, oil Signup and view all the answers

Brake shoes should not have , , or __ on them.

Oil, grease, or brake fluid Signup and view all the answers

When parked on the side of the road at night, you must?

Turn your 4 way emergency flashers on to warn others. Signup and view all the answers

Which drugs can you use while driving?

Prescription drugs are allowed as long as your doctor says the drug will not affect safe driving ability. Signup and view all the answers

You are driving on a straight level highway at 50 mph with no vehicles in front of you when a tire blows. What should you do?

Stay off the brake until the vehicle has slowed. Signup and view all the answers

If you don't know how to extinguish a hazardous materials fire, you should?

Wait for a qualified firefighter Signup and view all the answers

Brakes absorb more __________ to stop heavier or faster vehicles.

Heat Signup and view all the answers

Gross combination weight (GCW) is?

The total weight of the power unit and the cargo. Signup and view all the answers

While the vehicle is stopped, the ________ should be tested.

Hydraulic brake Signup and view all the answers

To turn quickly, you must have a on the .

Firm grip, steering wheel Signup and view all the answers

After starting the engine, the ____________ gradually rises to normal.

Coolant temperature gauge Signup and view all the answers

Cargo loads can be?

Unstable and therefore requiring extra caution around curves. Signup and view all the answers

How many missing or broken leaves in any leaf spring will cause a commercial vehicle to be placed out of service?

1/4 Signup and view all the answers

What is a 'straight vehicle'?

A vehicle with no trailer or articulation. Signup and view all the answers

If a straight vehicle goes into a front wheel skid, it will?

Travel straight ahead even if you turn the steering wheel. Signup and view all the answers

A 4-in diamond shaped hazardous materials label must be in the container when?

When shipping hazardous materials. Signup and view all the answers

What does not affect your choice of gears?

Tire tread type. Signup and view all the answers

When temperatures drop, __________ will freeze before roads.

Bridges Signup and view all the answers

Take extra care to keep your vehicle centered in your lane because?

Commercial vehicles are often wider than other vehicles. Signup and view all the answers

When hydraulic brakes fail, the system won't build pressure. The brake pedal will feel spongy or go to the floor. What should you do?

Pump the brake pedal to generate pressure Signup and view all the answers

When you sign the application form, you are consenting to?

Being tested for alcohol in your blood. Signup and view all the answers

How does it feel when a tire blows out at highway speeds?

Vibrating Signup and view all the answers

You must complete a vehicle inspection report _______. A signature is required when?

Daily, when the previous driver has noted any defects. Signup and view all the answers

Why is a broken exhaust system dangerous?

Poisonous fumes may enter the van or sleeper bed. Signup and view all the answers

Name the 2 kinds of retarders.

Electric and hydraulic Signup and view all the answers

When driving at night, how fast should you drive?

Slow enough to stop within headlight range. Signup and view all the answers

Containerized loads are generally used when?

When freight is carried partway by rail or ship. Signup and view all the answers

What is the purpose of retarders?

Slow vehicle without using brakes, reducing brake wear. Signup and view all the answers

Driving a truck with a manual transmission, what gear will you use for a steep downhill grade?

A lower gear than you used uphill. Signup and view all the answers

Fish tailing wheels may be a sign of?

Tire failure. Signup and view all the answers

Which lights cannot be checked for functionality at the same time?

Turn signals, brake lights, 4 way flashers. Signup and view all the answers

For a first offense of driving a commercial vehicle under the influence, you will lose your CDL for at least how long?

1 year Signup and view all the answers

What should you do if you are being tailgated?

Increase your following distance Signup and view all the answers

When starting your vehicle in motion from a stop, your wheels start to spin. What should you do?

Take your foot off the accelerator. Signup and view all the answers

Which system should receive extra attention during a winter weather inspection?

Exhaust Signup and view all the answers

A steering wheel must have no more than __________ of play.

10 degrees (2 in on a 20 in wheel) Signup and view all the answers

When warning other drivers of a stopped vehicle, you should?

Move rear reflective triangle back if the vision is obscured within 500 feet. Signup and view all the answers

You can check the tightness of your _________ by pressing on it.

Engine belt Signup and view all the answers

When a coolant container is part of a pressurized system, you can do what?

Check the coolant level of a hot engine. Signup and view all the answers

You can use __________ to tell when to shift.

Tachometer Signup and view all the answers

When you are passing another vehicle, pedestrian, or bicyclist, assume that they what?

May move into your traffic lane. Signup and view all the answers

What is 'controlled braking'?

A braking technique used to keep the vehicle in a straight line when slowing. Signup and view all the answers

What 3 things add up to the total stopping distance of your vehicle?

Perception distance, reaction distance, braking distance. Signup and view all the answers

Dry bulk tank loads can ________ during transport.

Shift Signup and view all the answers

If you need to leave the road in a traffic emergency, when should you begin braking?

When your speed has dropped to about 20 mph. Signup and view all the answers

If your brakes are wet, what may happen when braking?

The trailer could jackknife. Signup and view all the answers

You should adjust your mirrors while turning because?

You want to know where the rear of your vehicle is. Signup and view all the answers

You are driving an 80 ft vehicle at 45 mph in good weather. What is the least amount of space you should keep in front of you?

9 seconds Signup and view all the answers

What is the purpose of truck escape ramps?

To avoid damage to vehicles. Signup and view all the answers

Cargo weight can change what about your vehicle?

Overhead clearance Signup and view all the answers

What is the first thing you should do if your brakes fail while driving downhill?

Get off the road ASAP. Signup and view all the answers

You are driving a heavy vehicle and must exit a highway using an off ramp that curves downhill. What should you do?

Slow to a safe speed prior to the curve. Signup and view all the answers

The braking effect of the engine is _ the governed RPMs and the transmission is in the gears.

Near, lower Signup and view all the answers

You are driving a 10 ft vehicle at 35 mph. The road is dry and visible. What is the least amount of space you should keep in front of your vehicle?

4 seconds Signup and view all the answers

Backing a commercial vehicle is always dangerous.

True Signup and view all the answers

If you are stopped and want to start driving uphill, you should?

Partly engage the clutch, then release the parking brake. Signup and view all the answers

What is the proper way to hold a steering wheel?

Both hands on opposite sides of the wheel. Signup and view all the answers

What does a class B allow you to drive?

GVWR of 26,001 or more; 3 or more axles weighing 6,001 lb or more; vehicles that can carry 10+ persons; transport hazardous materials w/ placards; bus (except w/ trailer) with endorsement; farm labor with endorsement. Signup and view all the answers

What distance should you look ahead of your vehicle at highway speed?

1/4 mile Signup and view all the answers

What is 'off tracking'?

When a commercial vehicle swings wide when turning. Signup and view all the answers

What is 'countersteering'?

Turning the wheel back in the other direction after steering to avoid a traffic emergency. Signup and view all the answers

What is the proper braking technique after the vehicle is in low gear?

Apply the brakes to slow down to approximately 5 mph below your safe speed, release the brakes, repeat when you reach your safe speed. Signup and view all the answers

What must you inspect every two hours or 100 miles?

Tires Signup and view all the answers

What should you do when your vehicle hydroplanes?

Release the accelerator. Signup and view all the answers

How does vehicle weight affect stopping distance?

Fully loaded trucks take longer to stop. Signup and view all the answers

You should signal continuously when turning because?

You need both hands on the wheel to turn safely. Signup and view all the answers

To avoid an accident, you had to move into the shoulder. You are moving at 40 mph on the shoulder. How should you make your way back into traffic?

If the shoulder is clear, remain in it until your vehicle comes to a stop. Then move back into traffic when it is safe to do so. Signup and view all the answers

When approaching a hazard, always remember, it is quicker to _ than to .

Turn, stop Signup and view all the answers

Who is affected by alcohol?

Everyone who drinks. Signup and view all the answers

Where must the shipping papers be for a vehicle with a hazard placard if the driver is out of the vehicle?

On the driver's seat. Signup and view all the answers

What is the GVWR?

The maximum weight specified by the manufacturer for a single vehicle including its load. Signup and view all the answers

A load which extends __________ to the left must have an amber light on the extreme left side of the load.

1 foot or more Signup and view all the answers

Commercial drivers must notify their employers of an out of state conviction within __________ days.

30 Signup and view all the answers

The posted speed limit is 65 mph. A vehicle transporting explosives may travel no faster than ________ mph, weather permitting.

55 Signup and view all the answers

Dual tires should not _________ each other.

Touch Signup and view all the answers

Maximum axle weights are set by a _________ formula.

Bridge Signup and view all the answers

If the drive wheels have poor traction, retarders may cause _______.

Skidding. Signup and view all the answers

The key principle in balancing cargo weight is to keep the load ________.

Centered. Signup and view all the answers

Poor trailer ventilation can cause cargo to do what?

Catch fire. Signup and view all the answers

During what hours do most heavy vehicle accidents occur?

Midnight and 6 am. Signup and view all the answers

At railroad crossings, drivers should stop how far before the nearest track?

15-50 ft. Signup and view all the answers

Signaling devices must be in _ and _ condition.

Safe and working. Signup and view all the answers

With riders aboard, you may not fuel your bus where?

In a closed building. Signup and view all the answers

If your bus leans toward the outside on a banked curve, you are driving ________.

Too fast. Signup and view all the answers

You will more easily spot a hazard ahead of you if you keep your eyes:

Moving (scanning). Signup and view all the answers

If a driver ahead of you has stopped at a crosswalk, you should:

Stop, then proceed when safe. Signup and view all the answers

Drunk drivers are involved in approximately ___________ of California's data traffic crashes.

50% Signup and view all the answers

Study Notes

Commercial Driving Regulations and Safety

Hazmat endorsement is not required if transporting hazardous materials without placards.
CDL medical certificates must be renewed every 2 years to ensure driver health and safety.
Mismatched tires are unsafe and should not be used on commercial vehicles.
Notify the DMV within 5 days after selling or transferring your vehicle to maintain accurate records.

Driving Safety and Techniques

Blood alcohol concentration is influenced by the individual's weight.
A slow-moving vehicle is indicated by a triangular sign with a reflective border.
Limit horn use to avoid startling other drivers.
Maintain a forward observation of 12-15 seconds while driving for better reaction times.

Vehicle Control and Maintenance

Use the tachometer for double clutching and shifting gears effectively.
When merging, wait for a sufficient gap in traffic for safety.
Stab braking involves locking and releasing brakes to control slowing.
Protect accident scenes by securing the area to prevent further incidents.

Essential Equipment and Care

Optional safety equipment includes emergency numbers, tire chains, and tire changing tools.
Ensure the engine has adequate oil to avoid overheating in hot conditions.
Brake shoes must be free of oil, grease, and brake fluid for optimal performance.
Use 4-way emergency flashers when parked at night to alert other drivers.

Legal and Policy Guidelines

Prescription drugs are permitted if confirmed safe for driving by a doctor.
An incident involving a tire blowout requires staying off the brake until the vehicle slows naturally.
Wait for a qualified firefighter if you are unable to extinguish a hazardous materials fire.
Gross combination weight (GCW) refers to the total weight of the power unit plus cargo.

Driving Practice and Situational Awareness

Hydraulic brakes should be tested while the vehicle is stationary.
Maintaining a firm grip on the steering wheel is essential for quick evasive actions.
Monitor the coolant temperature gauge to ensure engine health.
Cargo loads can shift, necessitating extra caution, especially around curves.

Vehicle Inspection and Safety Checks

Check for tire integrity every two hours or 100 miles during operation.
Proper mirror adjustment is crucial when maneuvering turns.
Ensure lights can be checked without interference from other signals, such as brake lights.
Follow signaling rules to maintain control while making turns.

Emergency Situations and Recovery

In case of brake failure, pumping the brake pedal may restore some pressure.
Alcohol affects all individuals, impairing driving abilities even at low consumption levels.
When exiting a highway on a downward curve, reduce speed beforehand.
If the vehicle starts hydroplaning, release the accelerator to regain control.

Weight and Cargo Management

Excess cargo weight impacts vehicle overhead clearance and stopping distances.
For loads extending more than a foot, an amber light is required for visibility.
Dual tires should not touch each other to maintain proper inflation and performance.
Balance cargo weight by keeping it centered in the vehicle for stability.

Operational Guidelines and Best Practices

Be aware that most heavy vehicle accidents occur between midnight and 6 AM.
Maintain a safe stopping distance before railroad crossings, ideally 15-50 feet.
Signaling devices must be in safe and operational condition for effective communication.
Refuel buses outside of closed buildings to ensure passenger safety.

General Awareness and Practices

Continuously scan the environment while driving to increase hazard awareness.
If a driver halts at a crosswalk, stop and proceed cautiously when it is clear.
Drunk drivers account for approximately 50% of traffic crashes in California, highlighting the importance of responsible driving.

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Description

Test your knowledge with these flashcards designed for the CA Class B driving permit. Each card covers essential information related to commercial driving regulations, such as hazmat endorsements and CDL medical requirements. Perfect for students preparing for their driving tests.