Take Texas CDL Tank Test 1

QUESTION 1 / 20

If transporting chlorine, what must be kept in the vehicle?

Choose one answer below.

AA phone with emergency numbers programmed✓BAn approved gas mask✓CA chemical suit✓DDirections for emergency personnel✓

QUESTION 2 / 20

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 3 / 20

When driving, it is important to:

Choose one answer below.

AKeep your attention focused in front of your vehicle.✓BLook only to the front and right side of your vehicle.✓CLook only to the front and sides of your vehicle.✓DLook to the front, sides, and rear of your vehicle.✓

QUESTION 4 / 20

A loss of air pressure in the emergency line will cause:

Choose one answer below.

AThe suspension springs to extend.✓BThe tractor protection valve to open.✓CThe rear trailer to detach from the combination.✓DThe emergency brakes to activate.✓

QUESTION 5 / 20

Drivers are usually the least alert:

Choose one answer below.

AIn the morning.✓BIn the early evening.✓CLate at night.✓DIn the afternoon.✓

QUESTION 6 / 20

Due to the risk of liquid surge in tanks, you should:

Choose one answer below.

AAccelerate slowly.✓BAccelerate quickly.✓CSwerve often.✓DDrive on the shoulder.✓

QUESTION 7 / 20

When loading hazardous materials, you should do all of the following, except:

Choose one answer below.

ASet the parking brake.✓BLoad the materials away from heat.✓CWatch for signs of leakage.✓DUse a hook.✓

QUESTION 8 / 20

Driving too fast:

Choose one answer below.

AIs a major cause of fatal crashes.✓BCan be a good way to get to your destination quickly.✓CShould only be done if the roadway is dry.✓DIs acceptable in light traffic.✓

QUESTION 9 / 20

While driving a vehicle, if an unusual noise or feeling occurs, the driver should:

Choose one answer below.

AAssume it is not a concern and continue driving.✓BHope the vehicle makes it until it is switched to another driver.✓CCheck the vehicle to determine the proper solutions.✓DDrive on the shoulder.✓

QUESTION 10 / 20

Belts in the engine compartment should be:

Choose one answer below.

AFrayed.✓BTight.✓CGreasy.✓DEasy to slide off.✓

QUESTION 11 / 20

If an Anti-Lock Braking System (ABS) is equipped on a trailer but not on a tractor:

Choose one answer below.

AThe truck should not be driven because ABS needs to be on both the tractor and trailer.✓BThe truck should be driven more slowly than usual.✓CThe tractor should not be used and a new tractor with ABS should be located.✓DThe tractor and trailer can still be used together.✓

QUESTION 12 / 20

Rough acceleration:

Choose one answer below.

ACan damage a vehicle.✓BIs necessary to warm up parts of the engine.✓CIs encouraged to improve gas mileage.✓DShould be done on surfaces with poor traction.✓

QUESTION 13 / 20

If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can:

Choose one answer below.

ACheck for wheel speed sensors coming from the back of the brakes.✓BLook for a red light on the front right corner of the converter dolly.✓CPump the air brakes to activate the ABS.✓DAssume the vehicle has ABS.✓

QUESTION 14 / 20

Fully-loaded rigs:

Choose one answer below.

AAre less likely to roll over than empty rigs.✓BAre more likely to roll over than empty rigs.✓CAre just as likely to roll over as empty rigs.✓DShould not be driven.✓

QUESTION 15 / 20

A combination vehicle has:

Choose one answer below.

AOne air line.✓BTwo air lines.✓CThree air lines.✓DFour air lines.✓

QUESTION 16 / 20

To test the trailer service brakes, you should:

Choose one answer below.

AMove the vehicle forward slowly and apply the brakes with the brake pedal.✓BReverse the vehicle slowly and apply the brakes with the hand control.✓CReverse the vehicle slowly and apply the brakes with the brake pedal.✓DMove the vehicle forward slowly and apply the brakes with the hand control.✓

QUESTION 17 / 20

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 18 / 20

What can change the height of a vehicle?

Choose one answer below.

AColor✓BLength✓CWeight✓DNumber of windows✓

QUESTION 19 / 20

Why are roads especially slippery right after it begins to rain?

Choose one answer below.

AThe water mixes with oil and grease on the road.✓BRoads are naturally slippery.✓CGravel often gets washed to the middle of the lane.✓DTires are not usually designed to drive in rain.✓

QUESTION 20 / 20

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.✓