汽车维修中级工试题及答案(本答案仅供参考)（intermediate work questions and answers (for reference only)）

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1、汽车维修中级工试题及答案(本答案仅供参考)（Intermediateworkquestionsandanswers(forreferenceonly)）1.Choicequestion.1.Inthetraditionalignitionsystem,thecapacitorsofthedistributoraregenerallyintherangeof(B).0.15~0.25uF(A)(B)0.15~0.25uF(C)0.15~0.25F(D)0.15~0.25mF2.Inthecarcoolingsystem,th

2、edeviceforimprovingtheboilingpointofthecoolantis(A).A.Radiatorcapb.pumpc.waterjacketd.engine3.Thefreestrokeoftheclutchpedalofthesantana2000caris(B)mmA.5-15B.15to20c.30-40D.40-454.ThedongfengEQ1092vehicletransmissionhasa(D)position.(A)3(B)4(C)5(D)65.Theplanetarygea

3、r(C)inthedifferentialwhenthecarturns.(A)onlytherotation(B)rotation(C)isbothrotatingandrotating(D)notrotatingorrotating6.ThemaximumsteeringAngleoftheinnerwheelshouldbe(A)whentheEQ1092isusedforthepintypesteeringgear.A.37°30'b.30°30'C.34°d.38°Thepneumaticbrakeofthedo

4、ngfengEQ1092is(A)wheelbrake.(A)non-equilibrium(B)equilibrium(C)automaticincreasingforce(D)bidirectionalequilibria8.Afterinstallationofthebrakecamshaft,theaxialclearanceshouldnotbegreaterthan(B)mm(A)0.6(B)0.7(C)0.65(D)0.59.Partofthethreadofthedriveconegearoftheauto

5、mobilemainreducershouldnotbegreaterthan(A).A.2teethb.3teethc.1toothd.4teeth10.Thecenterleadisnegativeandthetubeisthepositivediode(A).A,negativediodeB,excitationdiodeC,positivediodeD,stablediode11.Starterelectromagneticswitchpullcoilresistancevalueshallbetheabsorpt

6、ionΩ(C).(A)1.5~2.6(B)1.6~2.6(C)2.6~2.7(D)2.7~2.912.Prematureignitiontimewillcauseengine(A).A.powerdecreasesb.powerincreasesc.savesD13.Whenstartingtheengine,thetimeoftheengineshouldnotexceed(A)sA.5b.c.1015D.2014.InAparalleldoublecavitybrakemastercylinder,theelastic

7、forceofthereciprocatingspringofthepistonspringshouldbe(A).(A)isgreaterthan(B)islessthan(C)isequalto(D)greaterthanorequalto15.Whencheckingtheperformanceofairconditioningcompressor,theenginespeedshouldbereached(B)r/min.(A)(B)(C)150010001600(D)200016.Thesequenceofthe

8、shaftbearingcoverofthefasteningengineistightenedseveraltimesfrombothendsofthebearing(B).(A)thefirst(B)middle(C)second(D)final17.Santana2000JVGLSsaloonca