Ladders and scaffolds Exam Questions with Correct Answers
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Course
Nccer scaffold
Institution
Nccer Scaffold
Ladder - Answer-A structure consisting of two side intervals by steps(called rungs) for climbing up and down
Wood ladder disadvantages - Answer-1)deteriorate with age
2)susceptible to weather
3) shrinkage(when wood becomes dried out
Wood ladder advantages - Answer-1) non conductive
2) d...
Ladders and scaffolds Exam Questions
with Correct Answers
Ladder - Answer-A structure consisting of two side intervals by steps(called rungs) for
climbing up and down
Wood ladder disadvantages - Answer-1)deteriorate with age
2)susceptible to weather
3) shrinkage(when wood becomes dried out
Wood ladder advantages - Answer-1) non conductive
2) do not transfer heat or cold to workers
3)more durable
4) cost less
Metal ladder disadvantages - Answer-1) can get very hot or very cold
2) conductive
Metal ladder advantages - Answer-1) light weight
2) extremely tough and durable
3) will not splinter or crack
4) low maintenance
Fiberglass ladder disadvantages - Answer-1) heavy
2) can crack or fail when overloaded
3) can crack or chip when impacted
4) susceptible to sun rot
5) can splinter under sun rot
Fiberglass ladder advantages - Answer-1) non conductive when dry
2) can take a considerable amount of abuse while maintaining their integrity
3) more comfortable to stand on
Fixed ladder - Answer-A ladder that is permanently attached to a structure
Safety on a ladder - Answer-Maintain 3 points of contact on the ladder, use the rungs
for climbing not the rails, don't stand on the top rung to reach something!
Extension ladder - Answer-Ladders that have an inner (fly) section that slides up and
down in the outer (base/bed) section
Safety on an extension ladder - Answer-When leaning an extension ladder against a
building of ladder where the fly section does not extend above the structure, it is a
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