MSF Basic Rider Course Glossary Terms Exam with correct Answers

MSF Basic Rider Course Glossary Terms Exam with correct Answers Accident a pure change occurrence; an unexpected and undesirable event; most are preventable; preferred term is "crash" or "collision" Alcohol specifically ethyl alcohol, a depressant drug consumed as a beverage Anti-lock brakes type of braking system that automatically releases brake pressure prior to wheel lockup Apex the sharpest point in a curve BAC Blood Alcohol Concentration; percentage by volume of ethyl alcohol in the blood stream Blind spot area behind or to the side not seen in the mirrors or blocked from view by an object Braking distance space traveled between brake application and completed stop Center of gravity/Center of mass that point around which mass of an object is evenly distributed or balanced Conspicuous be easily seen by others; to be highly visible Contact patch portion of a tire that touches the road surface Convex mirrors mirrors designed with an outwardly curved surface; shows more area but objects are closer than they appear in the mirror Countersteer a momentary steering deflection away from the intended direction of travel caused by pressing on the handgrip in the direction of the turn; used to produce a lean in the desired direction; press right, lean right, go right; press left, lean left, go left Counterweight use primarily in slow, tight turns; rider shifts weight opposite to the lean of the motorcycle Crowned road road surface that is higher in the middle to allow for water runoff Decreasing - radius turn a turn that becomes progressively tighter; use steady throttle to negotiate DOT stands for U.S. Department of Transportation. Used to note a helmet that has been manufactured to meet DOT performance standards as required by federal law for all helmets sold in the U.S. Engine braking slowing by shifting down and releasing the clutch to use the engine as a braking force Entry speed in turning and cornering, the motorcycle's speed at the point where the steering input to lean into the turn occurs. The maximum desired entry speed is one that allows for some roll-on of throttle to maintain speed and stability while cornering; one that assures no deceleration in a turn will be required, and one that provides time and space to "straighten and brake" if necessary FINE-C acronym for the engine pre-starting checklist (Fuel valve; Ignition switch; Neutral; Engine cut-off switch; Clutch/Choke) Friction zone area of clutch-lever movement that begins where the clutch starts to transmit power to the rear wheel and ends just prior to full clutch engagement. Used to get under way from a stop, to control speed when riding slowly, and to ensure smooth downshifts when engine braking Gauntlets refers to protective gloves that extend past the wrist High-side crash crash in which the rider loses control and is thrown to the ground in front of the motorcycle's path. This type of crash is likely to result in serious injury to the rider and is often the result of releasing the rear brake when a skidding rear tire is not aligned with the front Hydroplaning water buildup under the tires resulting in loss of traction Hypothermia subnormal body temperature due to the cooling effects of cold and wind on exposed skin Integrated brake system