SCDMV CDL- General Knowledge with all Correct &
100% Verified Answers |Guaranteed to Pass (Already
Graded A+)
Three types of vehicle inspections ✔Correct Answer-Pretrip, enroute, and after-trip.
Items inspected enroute should include ✔Correct Answer-Tires, brakes, and cargo securement
Mismatched tire sizes should not be used on the same vehicle.
True or false? ✔Correct Answer-True
Radial and bias ply tires should not be used on the same vehicle.
True or false? ✔Correct Answer-True
Brake shoes or pads should not have oil, grease, or brake fluid on them. ✔Correct Answer-
If one-fourth of a spring's leaves are broken or missing, it is illegal to drive the vehicle. ✔Correct
Answer-
One broken or missing leaf of a spring is enough to make the vehicle dangerous. ✔Correct Answer-
Steering wheels are not allowed to have more than 10 degrees of play. ✔Correct Answer-
Exhaust leaks or steering fluid leaks should be repaired before driving. ✔Correct Answer-
Required emergency equipment should include... ✔Correct Answer-Fire extinguisher, warning
devices, and spare electrical fuses if the truck uses them.
Items to inspect under the hood include..... ✔Correct Answer-Oil level, condition of belts and
hoses, and electrical wiring.
Rough acceleration causes mechanical damage. ✔Correct Answer-
When starting on an uphill grade, use the parking brake to keep the vehicle from rolling back.
✔Correct Answer-
Backing is always dangerous and should always be done towards the driver's side. Use a helper if
possible. ✔Correct Answer-
Keep both hands on the steering wheel on opposite sides. ✔Correct Answer-
Use mirrors to check the tires, other traffic when merging, and the trailer when making turns.
✔Correct Answer-
Remember that there are blind spots that a mirror can't show. ✔Correct Answer-
Tachometers can be used to help with shifting and double-clutching. ✔Correct Answer-
, Turn signals should be used early. ✔Correct Answer-
Down shift before entering curves ✔Correct Answer-
Retarders are to slow the vehicle and reduce brake wear. ✔Correct Answer-
If traction is poor, A retarder can cause skidding. ✔Correct Answer-
A driver should be looking 12-15 seconds ahead or about one-quarter mile. ✔Correct Answer-
When passing, always assume that the other driver doesn't see you, tap your horn to avoid a crash.
✔Correct Answer-
Headlights should be turned on whenever visibility is reduced. ✔Correct Answer-
Drivers should flash their brake lights to warn others that they are slowing down or stopping for
something ahead. ✔Correct Answer-
Warning devices are placed 10 feet, 100 feet, and 200 feet to the rear of your vehicle on a four-lane
divided highway. ✔Correct Answer-
If your warning devices are not visible to other drivers for a distance of at least 500 feet (due to a hill,
curve, etc.) the devices should be moved further out. ✔Correct Answer-
When setting out warning devices, keep them between your body and traffic. ✔Correct Answer-
Use the horn only when necessary, as it startles other drivers. ✔Correct Answer-
A heavy vehicle moving 55 mph on dry pavement needs the length of a football field to stop.
✔Correct Answer-
The heavier the vehicle and faster it is going, the greater good the stopping distance required.
✔Correct Answer-
Hydroplaning can occur at any speed; it is more likely with thin tire tread or low air pressure.
✔Correct Answer-
Reduce speed by one-third on wet roads and by one half when on snow. ✔Correct Answer-
On slippery roads, slow down gradually or stop as soon as it is safe, if on ice. ✔Correct Answer-
On slippery roads it takes longer to stop and is harder to turn without skidding; therefore, turn and
slow down as gently as possible. ✔Correct Answer-
Maintaining the same Speed as traffic flow is safest unless it would be an illegal speed. ✔Correct
Answer-
At 35 mph under good conditions, a 40 foot vehicle needs four (4)seconds space between it and the
vehicle ahead. ✔Correct Answer-
A vehicle's height changes with its weight. ✔Correct Answer-
100% Verified Answers |Guaranteed to Pass (Already
Graded A+)
Three types of vehicle inspections ✔Correct Answer-Pretrip, enroute, and after-trip.
Items inspected enroute should include ✔Correct Answer-Tires, brakes, and cargo securement
Mismatched tire sizes should not be used on the same vehicle.
True or false? ✔Correct Answer-True
Radial and bias ply tires should not be used on the same vehicle.
True or false? ✔Correct Answer-True
Brake shoes or pads should not have oil, grease, or brake fluid on them. ✔Correct Answer-
If one-fourth of a spring's leaves are broken or missing, it is illegal to drive the vehicle. ✔Correct
Answer-
One broken or missing leaf of a spring is enough to make the vehicle dangerous. ✔Correct Answer-
Steering wheels are not allowed to have more than 10 degrees of play. ✔Correct Answer-
Exhaust leaks or steering fluid leaks should be repaired before driving. ✔Correct Answer-
Required emergency equipment should include... ✔Correct Answer-Fire extinguisher, warning
devices, and spare electrical fuses if the truck uses them.
Items to inspect under the hood include..... ✔Correct Answer-Oil level, condition of belts and
hoses, and electrical wiring.
Rough acceleration causes mechanical damage. ✔Correct Answer-
When starting on an uphill grade, use the parking brake to keep the vehicle from rolling back.
✔Correct Answer-
Backing is always dangerous and should always be done towards the driver's side. Use a helper if
possible. ✔Correct Answer-
Keep both hands on the steering wheel on opposite sides. ✔Correct Answer-
Use mirrors to check the tires, other traffic when merging, and the trailer when making turns.
✔Correct Answer-
Remember that there are blind spots that a mirror can't show. ✔Correct Answer-
Tachometers can be used to help with shifting and double-clutching. ✔Correct Answer-
, Turn signals should be used early. ✔Correct Answer-
Down shift before entering curves ✔Correct Answer-
Retarders are to slow the vehicle and reduce brake wear. ✔Correct Answer-
If traction is poor, A retarder can cause skidding. ✔Correct Answer-
A driver should be looking 12-15 seconds ahead or about one-quarter mile. ✔Correct Answer-
When passing, always assume that the other driver doesn't see you, tap your horn to avoid a crash.
✔Correct Answer-
Headlights should be turned on whenever visibility is reduced. ✔Correct Answer-
Drivers should flash their brake lights to warn others that they are slowing down or stopping for
something ahead. ✔Correct Answer-
Warning devices are placed 10 feet, 100 feet, and 200 feet to the rear of your vehicle on a four-lane
divided highway. ✔Correct Answer-
If your warning devices are not visible to other drivers for a distance of at least 500 feet (due to a hill,
curve, etc.) the devices should be moved further out. ✔Correct Answer-
When setting out warning devices, keep them between your body and traffic. ✔Correct Answer-
Use the horn only when necessary, as it startles other drivers. ✔Correct Answer-
A heavy vehicle moving 55 mph on dry pavement needs the length of a football field to stop.
✔Correct Answer-
The heavier the vehicle and faster it is going, the greater good the stopping distance required.
✔Correct Answer-
Hydroplaning can occur at any speed; it is more likely with thin tire tread or low air pressure.
✔Correct Answer-
Reduce speed by one-third on wet roads and by one half when on snow. ✔Correct Answer-
On slippery roads, slow down gradually or stop as soon as it is safe, if on ice. ✔Correct Answer-
On slippery roads it takes longer to stop and is harder to turn without skidding; therefore, turn and
slow down as gently as possible. ✔Correct Answer-
Maintaining the same Speed as traffic flow is safest unless it would be an illegal speed. ✔Correct
Answer-
At 35 mph under good conditions, a 40 foot vehicle needs four (4)seconds space between it and the
vehicle ahead. ✔Correct Answer-
A vehicle's height changes with its weight. ✔Correct Answer-
