SCDMV CDL- GENERAL KNOWLEDGE

SCDMV CDL- GENERAL KNOWLEDGE

CORRECT 100%

Three types of vehicle inspections - ANSWER Pretrip, enroute, and after-trip.Items inspected enroute should include - ANSWER Tires, brakes, and cargo securement Mismatched tire sizes should not be used on the same vehicle.True or false? - ANSWER True Radial and bias ply tires should not be used on the same vehicle.True or false? - ANSWER True Brake shoes or pads should not have oil, grease, or brake fluid on them. - ANSWER If one-fourth of a spring's leaves are broken or missing, it is illegal to drive the vehicle. -

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One broken or missing leaf of a spring is enough to make the vehicle dangerous. -

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Steering wheels are not allowed to have more than 10 degrees of play. - ANSWER Exhaust leaks or steering fluid leaks should be repaired before driving. - ANSWER Required emergency equipment should include... - ANSWER Fire extinguisher, warning devices, and spare electrical fuses if the truck uses them.Items to inspect under the hood include..... - ANSWER Oil level, condition of belts and hoses, and electrical wiring.Rough acceleration causes mechanical damage. - ANSWER When starting on an uphill grade, use the parking brake to keep the vehicle from rolling back. - ANSWER Backing is always dangerous and should always be done towards the driver's side. Use a helper if possible. - ANSWER Keep both hands on the steering wheel on opposite sides. - ANSWER Use mirrors to check the tires, other traffic when merging, and the trailer when making turns. - ANSWER 1 / 2

Remember that there are blind spots that a mirror can't show. - ANSWER Tachometers can be used to help with shifting and double-clutching. - ANSWER Turn signals should be used early. - ANSWER Down shift before entering curves - ANSWER Retarders are to slow the vehicle and reduce brake wear. - ANSWER If traction is poor, A retarder can cause skidding. - ANSWER A driver should be looking 12-15 seconds ahead or about one-quarter mile. - ANSWER When passing, always assume that the other driver doesn't see you, tap your horn to avoid a crash. - ANSWER Headlights should be turned on whenever visibility is reduced. - ANSWER Drivers should flash their brake lights to warn others that they are slowing down or stopping for something ahead. - ANSWER Warning devices are placed 10 feet, 100 feet, and 200 feet to the rear of your vehicle on a four-lane divided highway. - 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. - ANSWER When setting out warning devices, keep them between your body and traffic. -

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Use the horn only when necessary, as it startles other drivers. - ANSWER A heavy vehicle moving 55 mph on dry pavement needs the length of a football field to stop. - ANSWER The heavier the vehicle and faster it is going, the greater good the stopping distance required. - ANSWER Hydroplaning can occur at any speed; it is more likely with thin tire tread or low air pressure. - ANSWER Reduce speed by one-third on wet roads and by one half when on snow. - ANSWER

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