Take Illinois CDL Class B Knowledge Test 1

QUESTION 1 / 25

When driving under wet conditions, what does a lack of spray from other vehicles indicate?

Choose one answer below.

AIce has formed on the road.✓BThe pavement is dry.✓CThe spray is caught on the underside of the vehicle.✓DThe tires have soaked up all the moisture.✓

QUESTION 2 / 25

If transporting 30 feet of cargo on a flatbed trailer, you should use a minimum of ____ to restrain the cargo.

Choose one answer below.

AOne tie-down✓BTwo tie-downs✓CThree tie-downs✓DFour tie-downs✓

QUESTION 3 / 25

If you must drive very slowly, you should:

Choose one answer below.

AWarn other motorists.✓BDrive on the shoulder.✓CStay in the left lane.✓DSound your horn.✓

QUESTION 4 / 25

If a vehicle has air brakes, the air compressor drive belt should be checked before each drive. In what condition should the belt be?

Choose one answer below.

ALoose✓BTight✓CCracked✓DBumpy✓

QUESTION 5 / 25

If a tire fails, you should:

Choose one answer below.

AUse the brakes.✓BStay off the brakes.✓CSwerve.✓DWave your arms at other drivers.✓

QUESTION 6 / 25

In cold weather, an alcohol evaporator should be checked and filled:

Choose one answer below.

AOnce a week.✓BEvery day.✓CEvery hour.✓DOnce a month.✓

QUESTION 7 / 25

What is reaction distance?

Choose one answer below.

AThe distance traveled between seeing a hazard and physically hitting the brakes✓BThe distance traveled between a hazard becoming visible and a driver seeing the hazard✓CThe distance traveled before a driver realizes they must brake✓DThe distance traveled between physically hitting the brake and coming to a complete stop✓

QUESTION 8 / 25

How should you brake if your vehicle loses its ABS?

Choose one answer below.

ABrake normally.✓BPump the brake repeatedly.✓CPush the brake pedal down as hard as you can.✓DAvoid using the brakes.✓

QUESTION 9 / 25

How can a person check for a leak in hydraulic brakes?

Choose one answer below.

APump the brake pedal three times and hold the pedal for five seconds. If the pedal moves, there may be a problem.✓BPush the brake pedal down as far as possible and let go. If the brake pedal returns to its normal position, there may be a problem.✓CPush the brake pedal down as far as possible and let go. If the brake makes a squeak, there may be a problem.✓DRemove the rear wheel and listen for a noise when the brake pedal is depressed.✓

QUESTION 10 / 25

How much water needs to be on the surface of a road for a vehicle to hydroplane?

Choose one answer below.

AUsually several inches✓BA good amount, such as a large puddle✓CA small amount✓DNone✓

QUESTION 11 / 25

During the straight line backing exercise, how many times are you permitted to exit the vehicle to check its position?

Choose one answer below.

AOne time✓BTwo times✓CThree times✓DFour times✓

QUESTION 12 / 25

The use of hand-held cell phones while driving:

Choose one answer below.

AIs permitted for drivers age 18 and older.✓BIs permitted for drivers age 21 and older.✓CIs permitted for drivers age 25 and older.✓DIs prohibited.✓

QUESTION 13 / 25

When doing an inspection, make sure your brake pads are:

Choose one answer below.

ACovered in grease.✓BCovered in coolant.✓CCovered in oil.✓DFree of oil and grease.✓

QUESTION 14 / 25

When inspecting cargo, the driver should do all of the following, except:

Choose one answer below.

AEnsure that the truck is not overloaded.✓BEnsure that the cargo is balanced.✓CEnsure that the cargo is secured properly.✓DEnsure that the breakable items are placed under heavier items.✓

QUESTION 15 / 25

A tank endorsement is:

Choose one answer below.

AOnly required when transporting gases.✓BOnly required when transporting liquids.✓CRequired when transporting both liquids and gases.✓DOptional when transporting hazardous materials.✓

QUESTION 16 / 25

Distracted driving:

Choose one answer below.

ACan only be caused by physical distractions.✓BCan only be caused by mental distractions.✓CCan be caused by physical and/or mental distractions.✓DCan only be caused by cell phone use.✓

QUESTION 17 / 25

During an applied leakage test, the maximum leakage rate for a single vehicle with air brakes is:

Choose one answer below.

A3 psi in one minute.✓B6 psi in one minute.✓C8 psi in one minute.✓D4 psi in one minute.✓

QUESTION 18 / 25

An applicant will be denied a hazardous materials endorsement if they:

Choose one answer below.

AAre a U.S. citizen.✓BAre wanted for a misdemeanor.✓CAre wanted for certain felonies.✓DAlready have a driver license.✓

QUESTION 19 / 25

If you are being tailgated, you should:

Choose one answer below.

ADrive on the shoulder.✓BPull off the roadway.✓CDrive faster.✓DAllow the vehicle to pass.✓

QUESTION 20 / 25

Intrastate carriers must have what information displayed on both sides of their vehicle?

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AThe permit number✓BThe model number of truck✓CThe maximum weight allowed✓DThe destination✓

QUESTION 21 / 25

When using a turn signal, you should not:

Choose one answer below.

ASignal early.✓BSignal continuously.✓CCancel the turn signal after completing the turn.✓DAllow the turn signal to stay on long after the turn has been completed.✓

QUESTION 22 / 25

Improperly loaded cargo can:

Choose one answer below.

ALook bad to others on the road.✓BInjure the driver during a quick stop.✓CMake it easier to stop.✓DAid in safety.✓

QUESTION 23 / 25

What is Gross Vehicle Weight (GVW)?

Choose one answer below.

AThe total weight of a vehicle and its cargo✓BThe total weight of a vehicle before cargo✓CThe total weight of cargo✓DThe maximum weight allowed to be transported by a vehicle✓

QUESTION 24 / 25

The air pressure in a dual air brake system should build from 85 to 100 psi within:

Choose one answer below.

ATwo minutes.✓B15 seconds.✓C10 minutes.✓D45 seconds.✓

QUESTION 25 / 25

A danger of a large truck swerving to avoid a hazard is:

Choose one answer below.

AThe truck may miss the object.✓BThe truck may flip over.✓CThe truck may stay in the same lane.✓DOther vehicles may do the same thing.✓