Cranes Flashcards
1
Q
2 types of centralized lube systems:
A
1) Trabon
2) Farval
2
Q
Distance it takes 1 strand to make full rotation around the rope?
A
Rope lay
3
Q
2 most common wire rope lay constructions:
A
1) 6x19
2) 6x37
4
Q
PS stands for?
A
Plow steel
5
Q
IPS stands for?
A
Improved plow steel
6
Q
XIP stands for?
A
Extra improved plow steel
7
Q
2 types of hoist limits:
A
1) Cam
2) Mechanical
8
Q
3 components of a cable:
A
1) Strand
2) Lay
3) Cord
9
Q
3 causes of wire rope deterioration:
A
1) Abrasion
2) corrosion
3) Fatigue
10
Q
Midway point in a reeved crane is called what?
A
Equilizer
11
Q
_____ lay is stronger than _____ lay
A
Regular, lang
12
Q
_____ _____ is laid opposite the direction of the strands?
A
Regular lay
13
Q
_____ _____ is laid in the same direction as the strands?
A
Lang lay
