Take Pennsylvania CDL Class B Knowledge Test 1

QUESTION 1 / 25

Which of the following is not a backing maneuver that you will be asked to perform during the basic control skills test?

Choose one answer below.

AStraight line backing✓BOffset back/right✓COffset back/left✓DBlind offset✓

QUESTION 2 / 25

Both systems in a dual air brake systems share:

Choose one answer below.

AAir tanks.✓BHoses.✓CAir lines.✓DAn air compressor.✓

QUESTION 3 / 25

Cargo inside a trailer:

Choose one answer below.

ADoes not need to be secured.✓BShould be stacked no more than three feet high.✓CShould be secured to prevent movement.✓DShould be loaded with the heaviest items on top of lighter items.✓

QUESTION 4 / 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 5 / 25

Eating while driving:

Choose one answer below.

AIs a good way to maximize time.✓BIs encouraged on long trips.✓CCreates a distraction for the driver.✓DIs mandatory so cargo is not left unsupervised.✓

QUESTION 6 / 25

When looking under your vehicle's hood during a pre-trip inspection, you should:

Choose one answer below.

AUse the parking brakes and/or chock blocks.✓BLeave the vehicle in a low gear.✓CRemove the battery.✓DDisconnect the radiator.✓

QUESTION 7 / 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 8 / 25

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

Choose one answer below.

AThat the truck is not overloaded.✓BThat the cargo is balanced.✓CThat the cargo is secured properly.✓DThat the cargo is heavier at the top than the bottom.✓

QUESTION 9 / 25

During the on-road driving test, you should:

Choose one answer below.

ADevelop your own route to show off your driving skills.✓BListen to directions from the examiner.✓CBring a passenger to ride with you.✓DDrive in an unsafe manner.✓

QUESTION 10 / 25

To use the stab braking method in an emergency situation, you should:

Choose one answer below.

AApply the brakes completely until the wheels lock up, release the brakes until the wheels start rolling, then repeat the process.✓BApply the brakes about halfway, but keep the wheels rolling.✓CFully apply the brakes, let the wheels lock up, and hold the brake pedal down, keeping the wheels locked until the vehicle stops.✓DApply the emergency brake.✓

QUESTION 11 / 25

Before starting down a hill, be sure to:

Choose one answer below.

AAccelerate.✓BSwitch into a high gear.✓CSound your horn.✓DSwitch into a low gear.✓

QUESTION 12 / 25

When stopping:

Choose one answer below.

AThe brake pedal should be pressed down gradually.✓BThe brake pedal should be pushed down quickly.✓CThe brake pedal should be pressed down repeatedly, but not held down continuously.✓DThe amount of force required on the brake pedal will be the same each time you slow or stop.✓

QUESTION 13 / 25

Backing with a trailer is dangerous because:

Choose one answer below.

AIt is difficult to see behind the vehicle.✓BMost trucks do not have the ability to move in reverse.✓CCargo may fall out of the trailer.✓DThere may be extra weight in the front of the trailer.✓

QUESTION 14 / 25

In the basic vehicle control portion of the skills test, the applicant will:

Choose one answer below.

ABe tested on their ability to operate the vehicle.✓BBe required to rent a vehicle.✓CBe required to remove the rear brake.✓DBe asked to take a written test.✓

QUESTION 15 / 25

Before entering a curve, you should:

Choose one answer below.

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

QUESTION 16 / 25

Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when:

Choose one answer below.

AAir pressure falls below 45 psi.✓BAir pressure falls below 20 psi.✓CDriving downhill.✓DDriving uphill.✓

QUESTION 17 / 25

To obtain a CDL, you must be at least:

Choose one answer below.

A15 years old.✓B18 years old.✓C21 years old.✓D25 years old.✓

QUESTION 18 / 25

When crossing railroad tracks, you should:

Choose one answer below.

AStop on the tracks.✓BChange gears.✓CTry to pass.✓DStay in your lane.✓

QUESTION 19 / 25

After traveling under an overpass during the driving skills test, you may be asked to recall:

Choose one answer below.

AThe posted clearance.✓BThe posted weight limit.✓CThe width of the opening.✓DIf there was a shoulder near the roadway.✓

QUESTION 20 / 25

Most heavy vehicles require ____ to change gears.

Choose one answer below.

ADouble clutching✓BDouble shifting✓CTriple clutching✓DTriple shifting✓

QUESTION 21 / 25

An Anti-Lock Braking System (ABS) will:

Choose one answer below.

AAllow you to drive faster than you would be able to otherwise.✓BAllow you to follow other vehicles more closely than you would be able to otherwise.✓CAllow you to drive less carefully than you would be able to otherwise.✓DNot decrease your stopping distance.✓

QUESTION 22 / 25

Which of the following is not an indication of damaged brakes?

Choose one answer below.

ACracked drums✓BShoes with oil or grease on them✓CShoes worn thinly✓DPads free of oil or grease✓

QUESTION 23 / 25

To prevent your tires and engine from overheating while you are driving in especially hot weather, you should:

Choose one answer below.

AIncrease your speed.✓BDecrease your speed.✓CDrive on the shoulder.✓DDrive with your windows down.✓

QUESTION 24 / 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 25 / 25

What do anti-lock brakes do?

Choose one answer below.

AHelp a driver avoid wheel lockup✓BLock up the front wheels✓CPrevent a vehicle from accelerating while traveling uphill✓DPrevent a vehicle from accelerating while traveling downhill✓