2026 Free Arizona DMV Class A Combination Test 2 (20 Questions And Complete Answers)
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If a load is placed on one side of a trailer, the trailer:
1. May lean during turns.
2. May add extra support during turns.
3. May be easier to steer during turns.
1. May lean during turns.
2. May add extra support during turns.
3. May be easier to steer during turns.
May lean during turns.
To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:
1. Pump the air brakes to activate the ABS.
2. Look into the back of the fifth wheel.
3. Check for wheel speed sensors coming from the back of the brakes.
1. Pump the air brakes to activate the ABS.
2. Look into the back of the fifth wheel.
3. Check for wheel speed sensors coming from the back of the brakes.
Check for wheel speed sensors coming from the back of the brakes.
What is a tractor protection valve?
1. A valve to keep air in the brake system should there be a bad leak
2. A valve that prevents a truck from being stolen
3. A valve that prevents the driver from driving too fast
1. A valve to keep air in the brake system should there be a bad leak
2. A valve that prevents a truck from being stolen
3. A valve that prevents the driver from driving too fast
A valve to keep air in the brake system should there be a bad leak
If a parked trailer does not have spring brakes, you should keep the trailer from moving by:
1. Having the vehicle parked against a wall or other vehicle.
2. Using chock blocks.
3. Parking on a slight incline.
1. Having the vehicle parked against a wall or other vehicle.
2. Using chock blocks.
3. Parking on a slight incline.
Using chock blocks.
Before a trip, you can make sure air flows to all trailers by:
1. Checking for moving air inside of each trailer.
2. Listening for air at the rear shut-off valve.
3. Feeling for air at the front shut-off valve.
1. Checking for moving air inside of each trailer.
2. Listening for air at the rear shut-off valve.
3. Feeling for air at the front shut-off valve.
Listening for air at the rear shut-off valve.
If color-coded, which color is used to identify emergency, or supply, lines?
1. White
2. Yellow
3. Red
1. White
2. Yellow
3. Red
Red
If color-coded, which color is used to identify service lines?
1. White
2. Yellow
3. Blue
1. White
2. Yellow
3. Blue
Blue
Rollovers happen when:
1. Drivers turn too quickly.
2. Drivers turn too slowly.
3. It is raining.
1. Drivers turn too quickly.
2. Drivers turn too slowly.
3. It is raining.
Drivers turn too quickly.
If you cannot reverse your trailer in a straight path, you should:
1. Swerve back and forth while backing.
2. Back toward the driver's side.
3. Back toward the passenger's side.
1. Swerve back and forth while backing.
2. Back toward the driver's side.
3. Back toward the passenger's side.
Back toward the driver's side.
Fully-loaded rigs:
1. Are less likely to roll over than empty rigs.
2. Are more likely to roll over than empty rigs.
3. Are just as likely to roll over as empty rigs.
1. Are less likely to roll over than empty rigs.
2. Are more likely to roll over than empty rigs.
3. Are just as likely to roll over as empty rigs.
Are more likely to roll over than empty rigs.
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