Take Colorado CDL Class A Knowledge Test 2

QUESTION 1 / 25

What kind of force must emergency brakes use?

Choose one answer below.

AAir pressure✓BMechanical✓CHeavy✓DElectrical✓

QUESTION 2 / 25

In the event of an engine fire, you should not:

Choose one answer below.

ATurn the engine off as soon as possible.✓BKeep the fire from spreading.✓COpen the hood.✓DSpray from the underside of the vehicle.✓

QUESTION 3 / 25

Failing to drain the tanks in an air brake system can result in:

Choose one answer below.

AWater freezing and causing brake failure.✓BSquishy brakes.✓CToo much air collecting.✓DToo much fuel being carried.✓

QUESTION 4 / 25

The brake pedal is part of which braking system?

Choose one answer below.

AThe service brake system✓BThe parking brake system✓CThe emergency brake system✓DThe auxiliary brake system✓

QUESTION 5 / 25

How many air storage tanks are used in an air brake system?

Choose one answer below.

ATwo tanks✓BFour tanks✓CSix tanks✓DThe number varies.✓

QUESTION 6 / 25

If carrying a heavy load that is slowing you down, you should:

Choose one answer below.

ADrive in the left lane.✓BDrive in the right lane.✓CDrive on the shoulder.✓DKeep the vehicle in second gear.✓

QUESTION 7 / 25

Accelerating roughly is:

Choose one answer below.

AEncouraged at slow speeds.✓BEncouraged at all speeds.✓CDiscouraged, as it may cause damage to the vehicle.✓DDiscouraged, as it may confuse other drivers.✓

QUESTION 8 / 25

One way to overcome the challenges of blind spots is to:

Choose one answer below.

ADrive faster than surrounding vehicles so no other drivers can pass you.✓BDrive in the left lane, allowing you to only worry about vehicles to your right.✓CMake frequent mirror checks and assess the positions of surrounding vehicles.✓DAvoid using your mirrors.✓

QUESTION 9 / 25

Once stopped as part of the stop/start maneuver, you should:

Choose one answer below.

AApply the parking brake.✓BKeep the vehicle in first gear.✓CBe perpendicular to the curb.✓DBe blocking a driveway.✓

QUESTION 10 / 25

How could you reduce your stress while driving?

Choose one answer below.

ADrink a caffeinated beverage✓BTalk on your cell phone✓CGesture at other drivers✓DListen to calming music✓

QUESTION 11 / 25

When changing lanes, you should:

Choose one answer below.

AMove quickly before other vehicles get into the lane you wish to occupy.✓BMove slowly, in case another vehicle is in the lane you wish to occupy.✓CNot use your turn signal.✓DNever use the right lane.✓

QUESTION 12 / 25

Dry bulk tanks require special care because:

Choose one answer below.

AThey have low centers of gravity.✓BThey have high centers of gravity.✓CLoads are usually stable.✓DThey are usually overloaded.✓

QUESTION 13 / 25

An item that is 40 feet long placed on a flatbed trailer should be secured by at least ____ tie-down(s).

Choose one answer below.

AOne✓BTwo✓CThree✓DFour✓

QUESTION 14 / 25

When it is difficult for others to see your vehicle, such as at dawn or dusk, you can help other drivers by:

Choose one answer below.

AKeeping your lights off.✓BTurning your lights on.✓CDriving on the shoulder.✓DWaving an arm out the window.✓

QUESTION 15 / 25

If you realize you may be running late to your destination, you should:

Choose one answer below.

ADrive faster.✓BDrive while using flashing lights so other road users move out of your path.✓CDrive at a safe speed and arrive when you arrive.✓DGet upset.✓

QUESTION 16 / 25

Which of the following is not a good way to reduce crashes when turning right?

Choose one answer below.

ATurn slowly.✓BKeep the tail end close to the curb.✓CKeep an eye on oncoming traffic.✓DAllow open space on your right side.✓

QUESTION 17 / 25

If feeling sleepy while driving, you should:

Choose one answer below.

APress on and finish the trip.✓BDrive faster to arrive to your destination sooner.✓CLeave the road and take a nap.✓DTake an energy pill.✓

QUESTION 18 / 25

In general, if you are convicted of a traffic violation in your personal car:

Choose one answer below.

AThe convicting officer will alert your employer.✓BYour CDL will not be affected because the violation is on your personal license.✓CYou should tell your employer within six months.✓DYou must tell your employer within 30 days.✓

QUESTION 19 / 25

If you are confronted by an aggressive driver, you should:

Choose one answer below.

AMake eye contact with the driver.✓BStay in the driver's lane.✓CTry to race the driver.✓DIgnore the driver's gestures.✓

QUESTION 20 / 25

If a vehicle is found to be over-length during a pre-trip inspection, the driver should:

Choose one answer below.

ATrim the length of the load.✓BAsk someone else to drive.✓CEnsure flags and lights indicating the oversize load are fastened securely.✓DDrive without making any changes.✓

QUESTION 21 / 25

When inspecting the exhaust system, which of the following should not cause concern?

Choose one answer below.

ALoose or broken exhaust pipes✓BLoose or broken mounting brackets✓CLeaking exhaust system parts✓DExhaust system parts that are not rubbing against fuel system parts✓

QUESTION 22 / 25

A burning tire should be:

Choose one answer below.

ACooled with water.✓BFanned with a blanket.✓CCut up with an axe.✓DCovered with a tarp.✓

QUESTION 23 / 25

What is black ice?

Choose one answer below.

AA thick layer of ice on the road✓BA thin layer of ice on the road✓CIce that is black from debris on the road✓DIce that is easily seen✓

QUESTION 24 / 25

Anti-Lock Braking Systems (ABS):

Choose one answer below.

AReduce normal braking capacity.✓BAre equipped in addition to other braking systems and do not reduce normal braking power.✓CAre not effective on larger vehicles.✓DAre illegal in some states.✓

QUESTION 25 / 25

A driver should always:

Choose one answer below.

AStay in the right lane.✓BHave an emergency plan.✓CStay in the left lane.✓DDrive above the speed limit.✓