Y2T35X self test questions vol. 2

what are the two basic functions of a tire - Answer- they act as a soft cushion between the road and the metal wheel, and they provide adequate traction with there road surface tire ______ ______ is a measurement of the amount of friction produced as the tire operates on the road surface - Answer- rolling resistance which of the following is not a type of tire used on passenger cars a. radial b. bias ply c. lateral ply d. belted bias - Answer- c. lateral ply what information if commonly given on the tire sidewall - Answer- info about tire size, tire model, load-carrying ability, inflation pressure, number of plies, speed rating, manufacture, ect. many tires have a maximum recommended inflation pressure of 22 psi true or false? - Answer- false how does a self sealing tire work? - Answer- these tires have a coating of sealing compound applied to their liners. if a nail -punctures a self sealing tire the air pressure will push the soft compound into the hole to stop air leakage a(n) _____ _____ has small ridges that hold the tire on the wheel during a tire blowout - Answer- safety rim _____ _____ are attached to the rim to balance the wheel and tire assembly and prevent vibration - Answer- wheel weights name and describe the basic parts of a wheel bearing - Answer- outer race - a steel cup or cone pressed into the hub, steering knuckle, or bearing support balls or rollers - anti friction elements that fit between inner and outer race inner race - a cup or cone that rests on spindle or drive axle shaft what are four common symptoms of tire problems - Answer- vibration, abnormal tread wear patterns, steering wheel pull, abnormal noices explain the difference between lateral runout and radial runout - Answer- lateral runout is side to side movement. radial runout is caused by a difference in radius from the center axis of rotation all purpose grease can be used to pack wheel bearing on a car with disk brakes true or false