Question #665
How many brakes must a ladle crane have in its hoisting mechanism?
Ile hamulcow powinna posiadać suwnica lejnicza w mechanizmie podnoszenia?
a
1
1
b
at least 2
co najmniej 2
Correct answer
c
at least 3
co najmniej 3
d
none of the above answers is correct
żadna z powyższych odpowiedzi nie jest poprawna
Why?
The hoisting mechanism of a ladle crane (suwnica lejnicza) must have at least two independent brakes. Each must be capable of stopping the mechanism with its rated load. A single brake does not provide the required protection when handling molten metal.