Take Indiana CDL Class A Knowledge Test 1

QUESTION 1 / 25

To prevent fatigue while driving, you should:

Choose one answer below.

AKeep the cab warm.✓BKeep the cab cool.✓CKeep the cab poorly ventilated.✓DClose the vents.✓

QUESTION 2 / 25

A distracted driver:

Choose one answer below.

AUsually reacts well to hazards.✓BUsually has slowed perception.✓CIs usually aware of what is happening around them.✓DIs a good person to follow.✓

QUESTION 3 / 25

A steering wheel should be held:

Choose one answer below.

AWith both hands.✓BWith one hand, keeping the other hand free for other tasks.✓CWith one hand at a time, alternating between hands.✓DAt the base of the wheel.✓

QUESTION 4 / 25

In an engine compartment, loose belts will:

Choose one answer below.

ANot turn the water pump and/or fan properly, causing the engine to overheat.✓BMake the engine run more efficiently.✓CMake the fan run too much, causing the engine to run too coolly.✓DLast longer than tight belts.✓

QUESTION 5 / 25

When you leave your vehicle, you should:

Choose one answer below.

AApply the parking brake.✓BApply the air brake.✓CNot apply any brake.✓DLeave the door open.✓

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 happens if the air pressure in a system's air tanks falls below 60 psi?

Choose one answer below.

AA warning light will come on.✓BThe vehicle will not shift out of gear.✓CThe front lights will flash.✓DThe vehicle should stop.✓

QUESTION 8 / 25

After a tire has been changed, the driver should stop after a short distance to:

Choose one answer below.

ACheck the tightness of the lug nuts.✓BEnsure that the tire tread depth is good.✓CEnsure that the correct tire was changed.✓DSee if rocks have gotten into the tread.✓

QUESTION 9 / 25

A stopped bus:

Choose one answer below.

AIs not a cause for concern.✓BIs not a concern if passengers are not unloading.✓CShould not be on the roadway.✓DIs a concern, whether passengers are visible or not.✓

QUESTION 10 / 25

During the vehicle inspection test, you will be required to do all of the following, except:

Choose one answer below.

AWalk around the vehicle.✓BPoint to or touch each item.✓CExplain what you are checking and why.✓DCrawl under the vehicle.✓

QUESTION 11 / 25

When a construction worker is close to the road, you should:

Choose one answer below.

AIncrease your speed.✓BDecrease your speed.✓CNot drive in any lane.✓DWait to proceed until the construction is complete.✓

QUESTION 12 / 25

When operating a vehicle with a dual brake system, a driver should:

Choose one answer below.

ALet the vehicle warm up before driving to ensure that fuel reaches the engine.✓BWait to begin driving until the air compressor builds up a minimum pressure of 100 psi in both the primary and secondary systems.✓CBegin driving just after the vehicle starts.✓DPump the pedal about 20 times to build pressure, then begin driving.✓

QUESTION 13 / 25

The parking brake should be:

Choose one answer below.

AUsed whenever you park the vehicle.✓BUsed while driving.✓CSet when driving in bad weather.✓DUsed to stop the vehicle in normal driving.✓

QUESTION 14 / 25

If confronted by an aggressive driver, you should:

Choose one answer below.

AMake eye contact with the driver.✓BReact to the driver's gestures.✓CChallenge the driver to a road race.✓DIgnore the driver, if possible.✓

QUESTION 15 / 25

What does ABS do?

Choose one answer below.

APrevent wheel lockup✓BPrevent the air compressor from overheating✓CPrevent the front brakes from being used on ice✓DPrevent the brakes from being used if downshifting would be more effective✓

QUESTION 16 / 25

When driving, you should stop and take a break ____ to avoid becoming too tired.

Choose one answer below.

AEvery half hour✓BEvery hour✓CEvery two hours✓DEvery six hours✓

QUESTION 17 / 25

The suspension system:

Choose one answer below.

AHolds up the vehicle and its load.✓BKeeps the load the proper distance behind the driver’s compartment.✓CMaintains a safe distance between the vehicle and other vehicles.✓DLightens the load for the tires.✓

QUESTION 18 / 25

If the brakes “pull” to one side or the other when you use them, it's a sign that:

Choose one answer below.

AThe brakes are working properly.✓BThe brakes need to be checked.✓CThe brakes are new.✓DThe brakes have too much stopping power.✓

QUESTION 19 / 25

Sending text messages while driving:

Choose one answer below.

AMay be done if the messages are short.✓BIs encouraged.✓CIs permitted if you are asking a question of your employer.✓DIs not permitted.✓

QUESTION 20 / 25

Cargo on flatbed trailers should be:

Choose one answer below.

ATied down.✓BGlued down.✓CLeft loose.✓DPushed to one side.✓

QUESTION 21 / 25

Before entering a curve, you should:

Choose one answer below.

AUpshift.✓BSpeed up.✓CDrive on the shoulder.✓DDownshift.✓

QUESTION 22 / 25

If traveling across state lines:

Choose one answer below.

AA driver should have a license for each state that will be visited.✓BA driver should have a license for each state where there is a planned stop.✓CA driver should have a license for the state where the trip begins and the state where the trip ends.✓DA driver should have only one license.✓

QUESTION 23 / 25

The air entering air storage tanks may contain:

Choose one answer below.

AWater and compressor oil.✓BFrost.✓CGravel.✓DAntifreeze.✓

QUESTION 24 / 25

When backing, a helper:

Choose one answer below.

AShould be used whenever possible.✓BOften adds to the confusion of backing.✓CShould only be used if the driver is not feeling confident.✓DWould likely get in the way.✓

QUESTION 25 / 25

Hydroplaning occurs when:

Choose one answer below.

ATires lose traction with the surface of the road.✓BTires have increased traction with the surface of the road.✓CFront tires have more traction that rear tires.✓DFront tires have less traction than rear tires.✓