GENERAL CRANE SAFETY EXAM

GENERAL CRANE SAFETY EXAM

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QUESTIONS AND CORRECT

DETAILED ANSWERS WITH

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TheJminimumJcraneJteamJforJaJmobileJcraneJonJoutriggersJwouldJconsistJof- A)JTheJCraneJOperator,JRiggerJSupervisor,JandJCraneJRigger B)JTheJCraneJOperator,JCraneJSupervisor,JRiggerJSupervisor,Jand CraneJRigger C)JTheJCraneJOperator,JCraneJSupervisor,JandJCraneJRigger D)JTheJCraneJOperatorJandJRigger-in-Charge E)JTheJCraneJOperator,JCraneJWalker,JandJCraneJRiggerJ-JCORRECTJANSWER- C)JTheJCraneJOperator,JCraneJSupervisor,JandJCraneJRigger WhenJoperatingJfloatingJcranes,JyouJmustJstartJswingingJorJrotatingJquicklyJandJstopJsmoothlyJtoJpr eventJexcessiveJbargeJlist.A)JTrue B)JFalseJ-JCORRECTJANSWER-B)JFalse ExtendingJaJtelescopingJboomJwithoutJloweringJtheJhoistJmayJresultJinJ"two-blocking"JtheJcrane.A)JTrue B)JFalseJ-JCORRECTJANSWER-A)JTrue AllJofJtheJfollowingJrequireJaJlicenseJtoJoperateJEXCEPTJa(n)- A)JCab-operatedJcategoryJ3JbridgeJcrane B)JMobileJhydraulicJtruckJcrane C)JNon-cabJoperatedJcategoryJ3JbridgeJcrane D)JArticulatingJboomJcategoryJ4Jcrane 1 / 4

E)JFloor-operatedJcategoryJ2JbridgeJcraneJ-JCORRECTJANSWER-C)JNon- cabJoperatedJcategoryJ3JbridgeJcrane WhichJofJtheJfollowingJliftJtypesJwouldJNOTJbeJconsideredJaJcomplexJlift?A)JMultiple-craneJlifts B)JOxygen/AcetyleneJbottlesJinJracksJdesignedJforJlifting OJC)JLargeJgeometricJshapes D)JLoadsJwithJmulti-levelJattachmentJpoints E)JHazardousJorJexplosiveJmaterialsJ-JCORRECTJANSWER- B)JOxygen/AcetyleneJbottlesJinJracksJdesignedJforJlifting WhatJisJtheJminimumJamountJofJropeJthatJshallJbeJonJaJgroovedJdrumJandJaJsmoothJdrum?A)JThereJisJnoJminimum B)J4JfullJwraps,J2JfullJwraps C)J2JfullJwraps,J3JfullJwraps D)J6JfullJwraps,J4JfullJwraps E)J1JfullJwrap,J2JfullJwrapsJ-JCORRECTJANSWER-B)J4JfullJwraps,J2JfullJwraps TheJhorizontalJdistanceJfromJtheJcenterJofJrotationJofJtheJcraneJtoJtheJcenterJofJtheJhoistJline(s)Jwit hJloadJappliedJisJcalled A)JBoomJLength B)JRadius C)JLiftJZone D)JQuadrant E)JCircumferenceJ-JCORRECTJANSWER-B)JRadius WhatJisJtwo-blocking,JandJwhyJisJtwo-blockingJdangerous?A)JTwo- blockingJoccursJwhenJtheJhookJcontactsJanotherJblockJorJhookJonJtheJcrane.JItJisJdangerousJbecaus eJtheJhookJcouldJdamageJtheJcrane,JcausingJlossJofJloadJcontrol.B)JTwo-blockingJoccursJwhenJtheJblockJorJhookJcontactsJtheJground. 2 / 4

ItJisJdangerousJbecauseJtheJwireJropeJmayJcomeJoffJofJtheJdrumJandJdropJtheJblock.C)JTwo- blockingJoccursJwhenJtheJhookJblockJcomesJinJcontactJwithJtheJupperJsheaveJblockJduringJhoistingJ ofJtheJhook.JItJisJdangerousJbecauseJitJcouldJresultJinJdamageJtoJtheJcrane,JpartingJofJtheJhoistJlines,J andJdroppingJtheJload.J-JCORRECTJANSWER-C)JTwo- blockingJoccursJwhenJtheJhookJblockJcomesJinJcontactJwithJtheJupperJsheaveJblockJduringJhoistingJ ofJtheJhook.JItJisJdangerousJbecauseJitJcouldJresultJinJdamageJtoJtheJcrane,JpartingJofJtheJhoistJlines,J andJdroppingJtheJload.WhenJshouldJaJtaglineJbeJusedJduringJliftingJoperations?A)JwhenJliftingJaJloadJoverJorJnearJelectricalJtransmissionJlines B)JtoJpreventJtheJloadJfromJswingingJorJrotating C)JwhenJtheJsupervisorJapprovesJtheirJuse D)JonlyJwhenJliftingJtheJloadJtoJextremeJheightsJ-JCORRECTJANSWER- B)JtoJpreventJtheJloadJfromJswingingJorJrotating WhatJisJtheJweightJofJaJ24JsquareJfoot,J2JinchJthickJaluminumJplateJwithJaJunitJweightJofJ15Jlbs.JperJs quareJfootJofJmaterialJperJinchJofJthickness?A)J348Jpounds B)J720Jpounds C)J6,720Jpounds D)J60Jpounds E)J120JpoundsJ-JCORRECTJANSWER-B)J720Jpounds TheJtwoJexpirationJdatesJthatJareJofJparticularJimportanceJtoJcraneJoperatorsJare- A)JVehicleJregistrationJexpirationJdate B)JHydraulicJoilJexpirationJdate C)JCACJcardJexpirationJdate D)JTheJcertificationJexpirationJdateJofJtheJcrane E)JTheJcraneJoperator'sJlicenseJexpirationJdateJ-JCORRECTJANSWER- D)JTheJcertificationJexpirationJdateJofJtheJcrane E)JTheJcraneJoperator'sJlicenseJexpirationJdate 3 / 4

WhichJofJtheJfollowingJisJNOTJanJacceptableJmethodJofJcommunicationJbetweenJtheJsignalJpersonJ andJtheJcraneJoperator?A)JSignalJFlags B)JDirectJVoice C)JHandJSignals D)JSound-poweredJPhones E)JApprovedJRadiosJ-JCORRECTJANSWER-A)JSignalJFlags WhatJisJaJjibJboom?A)JAJboomJthatJisJattachedJtoJtheJmainJboomJtoJallowJrotationJofJtheJload B)JAnJextensionJattachedJtoJtheJmainJboomJusedJwhenJliftingJlightJloadsJtoJaJhigherJelevationJthanJt hatJpermittedJbyJtheJmainJboom C)JAJboomJthatJisJusedJtoJliftJextremelyJheavyJloadsJ-JCORRECTJANSWER- B)JAnJextensionJattachedJtoJtheJmainJboomJusedJwhenJliftingJlightJloadsJtoJaJhigherJelevationJthanJt hatJpermittedJbyJtheJmainJboom IfJyouJfindJcrackingJorJflakingJpaintJonJaJweldedJjointJofJaJstructuralJcomponentJonJtheJboom,JyouJsh ould A)JLookJcloserJtoJseeJifJitJisJaJcrack.B)JReportJitJimmediatelyJtoJyourJsupervisor.C)JDoJnothingJasJitJisJnotJsignificant.D)JMakeJaJmentalJnoteJtoJinvestigateJitJlater.E)JNoteJitJonJtheJODCL,JbutJdoJnotJreportJit.J-JCORRECTJANSWER- B)JReportJitJimmediatelyJtoJyourJsupervisor.WhileJperformingJaJpre- useJcheck,JtheJoperatorJmustJcheckJtheJwireJropeJsystemJforJallJofJtheJfollowingJEXCEPT- A)JExcessiveJcorrosion B)JDamageJofJanyJkind C)JSizeJandJgradeJofJwireJrope D)JProperJsheaveJmovement

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