CHST Exam Study Guide| exam questions
ld ld ld ld ld
and answers| verified A+
ld ld ld ld
Isldaldtrenchldconsideredldanldexcavation?ld-ldcorrectldanswers-Yes
Whatldisldthelddistanceldaldworkerldneedsldtoldmaintainldfromldpowerldlines?ld-ldcorrectldanswers-10ft
Whatlddoesldtheldseverityldofldelectricldshocklddependldon?ld-ldcorrectldanswers-
Pathldofldcurrent,ldamountldofldcurrent,lddurationldofldexposure
Trueldorldfalse:ldelectricalldcurrentldasldlowldasld75ldmilliampsldcanldcauselddeath?ld-ldcorrectldanswers-True
Whatldareldsomeldexamplesldofldsurchargeldloads?ld-ldcorrectldanswers-
Spoilsldpileldandldequipldbeingldtooldcloseldtoldwalls
Whatldisldtheldcorrectldextensionldcordldforldconstruction?ld-ldcorrectldanswers-
3ldwireldtypelddesignedldforldhardldorldextraldhardlduse
Trueldorldfalse:ldExposedldmetalldpartsldofldequipmentldshouldldbeldgroundedld-ldcorrectldanswers-True
Howlddoesldaldgfcildprotectldagainstldelectricalldshock?ld-ldcorrectldanswers-
Detectsldthelddifferenceldinldcurrentldbetweenldtheldblackldandldwhiteldwires
Howldcanldoverloadedldcircuitldhazardsldbeldcontrolled?ld-ldcorrectldanswers-
Throughldthelduseldofldelectricalldprotectivelddevices
Whatldareldsomeldexamplesldofldelectricalldprotectivelddevices?ld-ldcorrectldanswers-
Gfcis,ldfuses,ldcircuitldbreakers
Whatldisldstaticldelectricity?ld-ldcorrectldanswers-Anldelectricldchargeldthatldcannotldmove
Howldwideldmustldtheldplatformldofldaldscaffoldldbe?ld-ldcorrectldanswers-18ldinches
Theldplatformldofldaldscaffoldldmustldbeldcapableldofldsupportinglditsldweightldandld__________ldtimesldtheldmaxi
mumldload.ld-ldcorrectldanswers-Four
Theldropesldorldwiresldusedldinldsuspensionldscaffoldsldmustldbeldcapableldofldsupportingld______ldtimesldtheldloa
d.ld-ldcorrectldanswers-Six
Whatldshouldldbeldusedldtoldrestrainldsupportedldscaffoldldplatformsldfromldtipping?ld-ldcorrectldanswers-
Guys,ldties,ldorldbraces
WhatldisldFallldPrevention?ld-ldcorrectldanswers-
Theldprocess,ldequipment,ldandldmethodsldusedldtoldactuallyldpreventldaldfallldfromldoccurring.
Whatldisldfallldprotection?ld-ldcorrectldanswers-
Theldprocess,ldequipment,ldandldmethodsldusedldtoldprotectldaldworkerldonceldaldfallldhasldoccurred.
, Theldtopldedgeldheightldofldaldguardrailldshouldldbeld_________ldin.ldaboveldtheldwalking/workingldsurface.ld-
ldcorrectldanswers-42ld+/-ld3
Whatldareldsomeldcommonldhazardsldassociatedldwithldhotldwork?ld-ldcorrectldanswers--
Healthldhazardsld(airldcontaminantsldfromldweldingldoperationsld[ironldoxide,ldzinc,ldberyllium,ldcopper],ldburns
,ldburnsldtoldtheldeyesldfromldflashes)
-Physicalldhazardsld(trippingldfromldhoses)
-firesldandldexplosionsld(ignitingldgases,ldimproperldstorage)
Whatldareldsomeldcontrolsldforldtheldhazardsldcreatedldwhenldperformingldhotldwork?ld-ldcorrectldanswers-
Protectldorldremoveldfireldhazardsldinldtheldarea,ldconfineldheat,ldsparks,ldandldslag,ldfireldextinguishingldequipme
ntldavailable,ldventilation
Whatldareldsomeldcommonldelectricalldhazards?ld-ldcorrectldanswers-
Exposedldelectricalldparts,ldoverheadldpowerldlines,ldinadequateldwiring,lddefectiveldorlddamagedldcordsldandld
wires,ldimproperlduseldofldflexibleldcords,ldimproperldgrounding,ldoverloadedldcircuits
Whatldareldsomeldcontrolsldutilizedldforldelectricalldhazards?ld-ldcorrectldanswers-
Training,ldplanning,ldgfci's,ldfuses,ldcircuitldbreakers,ldlockoutldtagout
Whatldareldsomeldcommonldhazardsldassociatedldwithldexcavations?ld-ldcorrectldanswers-
Weightld(nearbyldvehicles/equipment),ldvibration,ldundergroundldutilities,ldwaterldandldsoillderosion.
Whatldisldaldsurchargeldload?ld-ldcorrectldanswers-
Theldspoilsldpileldandldtheldequipmentldbeingldtooldcloseldtoldtheldverticalldwallsldofldtheldtrench.
Whatldareldsomeldcommonldcontrolsldusedldtoldmitigateldexcavationldhazards?ld-ldcorrectldanswers-
Sloping,ldshoring,ldshields,ldrpelddesignedldprotectiveldsystems,ldsoilldclassification.
Whatldareldsomeldcommonldhazardsldassociatedldwithldworkingldatldheights?ld-ldcorrectldanswers-
slipping,ldunsafeldaccess,ldlackldofldfallldprotection,ldscaffoldldcollapse,ldbadldplanking,ldunguardedldedges,
Whatldareldsomeldcontrolsldtoldmitigateldhazardsldwhenldworkingldatldheights?ld-ldcorrectldanswers-
Fallldpreventionldequipment,ldguardrails,ldpositioninglddeviceldsystem,ldwarningldlineldsystems,ldcontrolledldacc
essldzone,ldsafetyldmonitoringldsystem,ldpersonalldfallldarrestldsystem,ldsafetyldnetldsystem
Whatldareldsomeldcommonldhazardsldassociatedldwithldworkingldinldconfinedldspaces?ld-ldcorrectldanswers-
Hazardousldatmosphere,ldengulfment,ldtrapped,ldasphyxiated
Whatldareldsomeldcontrolsldtoldmitigateldtheldhazardsldassociatedldwithldconfinedldspaces?ld-ldcorrectldanswers-
Isolation,ldentryldsupervisor,ldatmosphericldmonitoring,ldrescueldservice/equipment
Whatldareldsomeldcommonldstruckldbyldhazards?ld-ldcorrectldanswers-
Fallingldtools,lddebris,ldorldmaterial.ldmovingldmachinery,ldcrane
Whatldareldsomeldcontrolsldtoldmitigateldstruckldbyldhazards?ld-ldcorrectldanswers-
Barricadeldarealdbelowldwhereldoverheadldworkldisldbeingldperformed.ldSigns.ldSafetyldnet.ldToolldbeltldlanyards.l
dBarricadeldcraneldoperationldarea