Question #647
Mechanical safety devices used in overhead crane construction include:
Zabezpieczeniami mechanicznymi stosowanymi w budowie suwnic są:
a
safety support brackets
łapy oporowe
Correct answer
b
starting resistors
rezystory rozruchowe
c
a STOP switch
łącznik STOP
d
safety brakes
hamulce bezpieczeństwa
Why?
Safety support brackets (łapy oporowe) mechanically limit the structure's drop if a travelling wheel or its axle fails. Brakes stop or hold a mechanism, while this question identifies the structural protection provided by support brackets.