Cranes

Question 1

2 types of centralized lube systems:

Answer 1

1) Trabon
2) Farval

Question 2

Distance it takes 1 strand to make full rotation around the rope?

Answer 2

Rope lay

Question 3

2 most common wire rope lay constructions:

Answer 3

1) 6x19
2) 6x37

Question 4

PS stands for?

Answer 4

Plow steel

Question 5

IPS stands for?

Answer 5

Improved plow steel

Question 6

XIP stands for?

Answer 6

Extra improved plow steel

Question 7

2 types of hoist limits:

Answer 7

1) Cam
2) Mechanical

Question 8

3 components of a cable:

Answer 8

1) Strand
2) Lay
3) Cord

Question 9

3 causes of wire rope deterioration:

Answer 9

1) Abrasion
2) corrosion
3) Fatigue

Question 10

Midway point in a reeved crane is called what?

Answer 10

Equilizer

Question 11

_____ lay is stronger than _____ lay

Answer 11

Regular, lang

Question 12

_____ _____ is laid opposite the direction of the strands?

Answer 12

Regular lay

Question 13

_____ _____ is laid in the same direction as the strands?

Answer 13

Lang lay