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Question #440

Using the working envelope diagram shown, determine the maximum permissible load on the work platform raised to a height of 12 m at an outreach of 4 m:

W oparciu o przedstawiony wykres pola pracy określ maksymalne dopuszczalne obciążenie platformy roboczej uniesionej na wysokość 12 m i wysięgu 4 m :

Using the working envelope diagram shown, determine the maximum permissible load on the work platform raised to a height of 12 m at an outreach of 4 m:Open full-size illustration
a
Operation is prohibited because the permissible operating parameters are exceeded

praca niedozwolona ze względu na przekroczenia dopuszczalnych parametrów pracy

b
280 kg

280 kg

c
200 kg

200 kg

Correct answer

d
80 kg

80 kg

Why?

The point at a height of 12 m and an outreach (wysięg) of 4 m lies within the working envelope (pole pracy) allowing a 200 kg load. The 200 kg and 80 kg values apply to different envelope boundaries, so they must not be added to obtain 280 kg.

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