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Question #679

Pilot-operated check valves (hydraulic locks) are installed in the following systems:

Zawory zwrotne sterowane (zamki hydrauliczne) montuje się w układach:

a
outrigger deployment

rozkładania podpór

b
the lifting mechanism

mechanizmu podnoszenia

c
the working radius adjustment mechanism

mechanizmu zmiany wysięgu

d
all answers are correct

wszystkie odpowiedzi są prawidłowe

Correct answer

Why?

Hydraulic locks (zamki hydrauliczne) are used in outriggers, lifting mechanisms and working radius adjustment mechanisms to trap oil and hold the cylinders in position. All three listed applications are valid. Selecting outriggers alone would be incomplete.

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