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Question #600

Which of the lifting accessories shown can be used to lift steel I-beams?

Które z przedstawionego osprzętu do podnoszenia można wykorzystać do podnoszenia dwuteowych dźwigarów stalowych:

Which of the lifting accessories shown can be used to lift steel I-beams?Open full-size illustration
a
FIG. 1

RYS. 1

b
FIG. 2

RYS. 2

Correct answer

c
FIG. 3

RYS. 3

d
FIG. 4

RYS. 4

Why?

FIG. 2 shows an I-beam lifting clamp (chwytak do dwuteowników), whose jaws grip the beam flange and support it from below. The curved jaws in FIG. 1 are shaped for loads with a circular cross-section.

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