Work at height: fall protection, ladders and mobile scaffold towers
by Quizhat · 14 questions · Updated · CC BY
English
For those who work above 2 metres (construction, maintenance, installation), in specific training: Title IV chapter II D.Lgs. 81/08 and fall protection PPE. 14 questions, about 9 minutes. Translated from Italian: legal references remain the Italian ones (D.Lgs. 81/2008) Sources: D.Lgs. 81/2008 arts. 43, 107, 113, 115, 140; Norme UNI EN 131 / 358 / 361 · Reviewed 21/10/2026 · Training support, not a certification.
What does art. 107 of D.Lgs. 81/08 define as "work at height"?
Any work on the first floor of a building
Activity that exposes to the risk of falling from a height of more than 2 metres above a stable surface
Work above 1 metre, outdoors only
Only work on scaffolding
2 / 14 · 30s · 1 pt
According to art. 111, when choosing equipment for work at height, what is given priority?
Collective protection measures over individual ones
The cheapest solution
Portable ladders, because they are the simplest
Fall protection PPE, because they can be put on right away
3 / 14 · 30s · 1 pt
When can a portable ladder be used as a workplace at height?
Only when other safer equipment is not justified because of the low level of risk and the short duration of use
Only above 5 metres of height
Always, because it is the safest equipment
Only if it is made of wood
4 / 14 · 30s · 1 pt
What minimum height must a standard guardrail have?
1 metre
80 centimetres
60 centimetres
2 metres
5 / 14 · 30s · 1 pt
What is the "clearance height" (tirante d'aria) in a fall protection system?
The free space below the worker needed for the fall to be arrested without hitting obstacles or the ground
The space above the worker's head
The air pressure in a breathing apparatus
The spare rope to always carry
6 / 14 · 30s · 1 pt
Which device must be worn in a fall arrest system?
A lumbar belt for manual handling
Work braces
A work positioning belt at the waist
A full body harness
7 / 14 · 30s · 1 pt
Why must a worker left hanging in a harness after a fall be rescued very quickly?
Because motionless suspension can cause harness suspension syndrome, potentially fatal in a short time
Because the harness unhooks after an hour
Because the lanyard overheats
There is no hurry, if the harness held
8 / 14 · 30s · 1 pt
What must the harness lanyard be connected to?
A suitable anchor point, for example one compliant with UNI EN 795, preferably above the head
A pipe of the electrical system
The portable ladder you are climbing
A gutter
9 / 14 · 30s · 1 pt
Who draws up the PiMUS (scaffold assembly, use and dismantling plan) of a scaffold?
The design coordinator
The ladder supplier
The municipality
The employer of the company that assembles the scaffold, through a competent person
10 / 14 · 30s · 1 pt
Before climbing onto a mobile scaffold tower (trabattello), what do you check?
That it is near a window to lean on
That it is at least 10 metres high
That a colleague is ready to push it while you work on top
That the wheels are locked, the base is level and the guardrails and stabilisers specified by the manufacturer are fitted
11 / 14 · 20s · 1 pt
It is allowed to move the mobile scaffold tower with a worker on it, if done slowly.
True
False
12 / 14 · 30s · 1 pt
Which behaviour is correct with a stepladder (A-frame ladder)?
Using it closed, leaning against the wall like a single ladder
Moving it by hopping while standing on it
Opening it fully, with the chain or the device against excessive opening in place
Sitting astride the top
13 / 14 · 45s · 1 pt
Which elements are part of a fall arrest system? (2 answers)
The lanyard with energy absorber
The full harness
Knee pads
The positioning belt
14 / 14 · 30s · 1 pt
You have to reach a skylight on a roof made of sheets. What must be checked before climbing up?
That the weather is sunny
That there are at least three workers on the roof
Nothing, if you walk on the lighter sheets
That the roof has enough strength to support people and materials, as well as protection against falling through
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