NCCCO MOBILE CRANE EXAM

NCCCO MOBILE CRANE EXAM

QUESTIONS AND CORRECT

DETAILED ANSWERS WITH (VERIFIED

ANSWERS) |ALREADY GRADED

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1.JWhatJactionJdoesJaJsignalJpersonJintendJtheJoperatorJtoJperformJifJheJextendsJhisJarmJat JshoulderJheight,JmakesJaJfistJwithJhisJhand,JandJsticksJhis/herJthumbJup?a.JBoomJdownJ b.JSwingJ c.JBoomJupJ d.JExtendJboomJ-JCORRECT JANSWER-c.

2.JWhenJhoistingJpersonnel,JwithinJwhatJpercentageJofJlevelJmustJaJtelescopicJboomJcran eJbeJinJorderJforJtheJgrossJratingsJinJtheJloadJchartJtoJremainJvalid?a.J1% b.J2%J c.J5%J d.J8%J-JCORRECT JANSWER-a.

3.JTheJloadJlineJofJtheJcraneJyou'reJoperatingJcontactsJanJenergizedJpowerJline.JThere'sJno JsignJofJanyJotherJdanger,JsuchJasJfire.JWhatJshouldJyouJdo?a.JClimbJdownJcarefullyJfromJtheJcraneJcabJ b.JJumpJdown,JfeetJtogetherJ c.JStayJinJtheJcabJuntilJtheJlinesJareJde-energizedJ d.JGetJasJfarJawayJfromJtheJcraneJasJpossibleJ-JCORRECT JANSWER-c.

4.JAccordingJtoJOSHAJ1926.1413,JhowJmanyJrandomlyJdistributedJbrokenJwiresJinJrotation -resistantJropeJareJcauseJforJreplacementJofJtheJrope?a.J1JbrokenJwireJinJ6JropeJdiametersJ b.J2JbrokenJwiresJinJ30JropeJdiametersJ c.J3JbrokenJwiresJinJoneJstrandJinJoneJlayJ d.J2JbrokenJwiresJinJ6JropeJdiametersJ-JCORRECT JANSWER-d.

5.JWhatJisJtheJnetJcapacityJofJaJcraneJonJmainJboomJunlessJtheJmanufacturerJstatesJother wise?a.JTheJcapacityJlistedJinJtheJloadJchartJminusJtheJweightJofJtheJriggingJandJallJattachmentsJ b.JTheJcapacityJlistedJinJtheJloadJchartJplusJtheJweightJofJtheJriggingJandJallJattachmentsJ c.JTheJcapacityJlistedJinJtheJloadJchartJminusJtheJweightJofJtheJriggingJandJallJattachmentsJ notJinJuseJ d.JTheJcapacityJlistedJinJtheJloadJchartJminusJtheJweightJofJtheJriggingJaloneJ- JCORRECT JANSWER-a.

6.JWhatJmayJhappenJtoJaJproperlyJriggedJloadJwhenJliftedJoffJtheJgroundJunlessJtheJoperat orJtakesJaccountJofJboomJdeflection?a.JItJcouldJswingJoutJawayJfromJtheJcraneJ 1 / 2

b.JItJcouldJswingJinJtowardsJtheJcraneJ c.JItJcouldJraiseJabsolutelyJverticallyJ d.JItJcouldJshiftJinJitsJriggingJ-JCORRECT JANSWER-a.

7.JWhatJStandardJMethodJhandJsignalJisJbeingJillustrated?

a.JSwingJ b.JStopJ c.JEmergencyJStopJ d.JTravelJ-JCORRECT JANSWER-a.

8.JWhoJshouldJanJoperatorJrespondJtoJaJ"stop"JsignalJfrom?a.JAppointedJsignalJpersonJonlyJ b.JProjectJmanagerJonlyJ c.JSuperintendentJonlyJ d.JAnyoneJ-JCORRECT JANSWER-d.

9.JWhichJareaJdoJtruckJcranesJwithoutJaJ5thJoutriggerJgenerallyJhaveJnoJliftingJcapacityJunl essJtheJmanufacturerJstatesJotherwise?a.JTheJsideJ b.JTheJrearJ c.JTheJfrontJ d.JTheJoutriggersJ-JCORRECT JANSWER-c.

10.JWhatJisJtheJdefinitionJofJ"operatingJradius?" a.JTheJdistanceJfromJtheJbaseJofJtheJboomJtoJtheJcenterJofJtheJloadJb.JTheJdistanceJfromJth eJfrontJofJtheJcraneJtoJtheJcenterJofJgravityJofJtheJloadJ c.JTheJdistanceJfromJtheJcenterJofJrotationJofJtheJcraneJtoJtheJcenterJofJtheJloadJ d.JTheJdistanceJfromJtheJcenterJofJrotationJofJtheJcraneJtoJtheJcenterJofJgravityJofJtheJloadJ- JCORRECT JANSWER-d.

11.JWhatJappliesJtoJtheJcapacitiesJbelowJtheJboldJlineJshownJonJaJloadJchart?a.JTheyJareJbasedJonJtheJstructuralJstrengthJofJtheJcraneJ b.JTheyJmustJnotJbeJusedJ c.JTheyJareJbasedJonJtheJstabilityJofJtheJcraneJ d.JTheyJshouldJonlyJbeJusedJifJtheJcraneJisJsetJupJonJoutriggersJ-JCORRECT JANSWER-c.

12.JInJwhichJquadrantJareJroughJterrainJcraneJcapacitiesJgenerallyJgreater?a.JOverJtheJfrontJ b.JOverJtheJrearJ c.JOverJtheJrightJsideJ d.JOverJtheJleftJsideJ-JCORRECT JANSWER-a.

13.JAccordingJtoJfederalJrequirements,JunderJwhatJconditionsJisJitJokayJforJaJpersonJtoJrideJ theJheadacheJball?a.JWhenJthereJisJnoJotherJwayJtoJgainJaccessJ b.JWhenJtheJliftJhasJbeenJapprovedJbyJanJengineerJ c.JWhenJotherJmeansJwouldJbeJmoreJdangerousJ d.JItJisJneverJokayJ-JCORRECT JANSWER-d.

14.JByJwhatJpercentageJdoJmostJmanufacturersJrequireJaJcrane'sJloadJchartJcapacityJtoJbe JreducedJbyJforJdutyJcycleJoperationsJsuchJasJhigh-volumeJconcreteJplacement?a.J10%.J b.J15%.J

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