SEAMANSHIP EXAM 3 UPDATED QUESTIONS AND VERIFIED
ANSWERS
SWL or WLL - CORRECT ANSWER✅✅✅Safe Working Load or Working Load Limit
BS= - CORRECT ANSWER✅✅✅SWL x SF
APR= - CORRECT ANSWER✅✅✅w(1. # of sheaves)/ TMA
TMA is - CORRECT ANSWER✅✅✅the number of lines coming off the moving block
Deck Hardware refers to - CORRECT ANSWER✅✅✅Shackles, pad eyes and hooks
3d^2 - CORRECT ANSWER✅✅✅=SWL for shackles
(2/3)d^2 - CORRECT ANSWER✅✅✅SWL for Hooks
AMA= - CORRECT ANSWER✅✅✅Weight/APR
1 sheave, advantage - CORRECT ANSWER✅✅✅runner
1 sheave, DISadvantage - CORRECT ANSWER✅✅✅whip
Gun tackle, disadvantage - CORRECT ANSWER✅✅✅2 sheaves, TMA of 2:1
Gun tackle, advantage - CORRECT ANSWER✅✅✅2 sheaves, TMA of 3:1
Single Luff Tackle, Disadvantage - CORRECT ANSWER✅✅✅3 sheaves, TMA of 3:1
, Single Luff Tackle, advantage - CORRECT ANSWER✅✅✅3 sheaves, TMA of 4:1
Two-Fold Purchase, disadvantage - CORRECT ANSWER✅✅✅4 sheaves, TMA of 4:1
Two-Fold Purchase, advantage - CORRECT ANSWER✅✅✅4 sheaves, TMA of 5:1
Double Luff Tackle, disadvantage - CORRECT ANSWER✅✅✅5 sheaves, TMA of 5:1
Double Luff Tackle, advantage - CORRECT ANSWER✅✅✅5 Sheaves, TMA of 6:1
Three-Fold Purchase, disadvantage - CORRECT ANSWER✅✅✅6 sheaves, TMA of 6:1
Three-Fold Purchase, advantage - CORRECT ANSWER✅✅✅6 sheaves, TMA of 7:1
a sewn on patch; SWL - CORRECT ANSWER✅✅✅Synthetic Webbing Slings should always have
________ that specifies its' ______
Inspected Frequently - CORRECT ANSWER✅✅✅Synthetic Straps(nylon, polyester, etc.) need to be
_________
choker hitch - CORRECT ANSWER✅✅✅A ______ when drawn tight at an angle less than 120º, will
lose capacity
Rated Capacity of Choker Hitch at certain angles of pull - CORRECT ANSWER✅✅✅120-180º=100%
90-119º=87%
60-89º=74%
30-59º=62%
0-29º=49%
ANSWERS
SWL or WLL - CORRECT ANSWER✅✅✅Safe Working Load or Working Load Limit
BS= - CORRECT ANSWER✅✅✅SWL x SF
APR= - CORRECT ANSWER✅✅✅w(1. # of sheaves)/ TMA
TMA is - CORRECT ANSWER✅✅✅the number of lines coming off the moving block
Deck Hardware refers to - CORRECT ANSWER✅✅✅Shackles, pad eyes and hooks
3d^2 - CORRECT ANSWER✅✅✅=SWL for shackles
(2/3)d^2 - CORRECT ANSWER✅✅✅SWL for Hooks
AMA= - CORRECT ANSWER✅✅✅Weight/APR
1 sheave, advantage - CORRECT ANSWER✅✅✅runner
1 sheave, DISadvantage - CORRECT ANSWER✅✅✅whip
Gun tackle, disadvantage - CORRECT ANSWER✅✅✅2 sheaves, TMA of 2:1
Gun tackle, advantage - CORRECT ANSWER✅✅✅2 sheaves, TMA of 3:1
Single Luff Tackle, Disadvantage - CORRECT ANSWER✅✅✅3 sheaves, TMA of 3:1
, Single Luff Tackle, advantage - CORRECT ANSWER✅✅✅3 sheaves, TMA of 4:1
Two-Fold Purchase, disadvantage - CORRECT ANSWER✅✅✅4 sheaves, TMA of 4:1
Two-Fold Purchase, advantage - CORRECT ANSWER✅✅✅4 sheaves, TMA of 5:1
Double Luff Tackle, disadvantage - CORRECT ANSWER✅✅✅5 sheaves, TMA of 5:1
Double Luff Tackle, advantage - CORRECT ANSWER✅✅✅5 Sheaves, TMA of 6:1
Three-Fold Purchase, disadvantage - CORRECT ANSWER✅✅✅6 sheaves, TMA of 6:1
Three-Fold Purchase, advantage - CORRECT ANSWER✅✅✅6 sheaves, TMA of 7:1
a sewn on patch; SWL - CORRECT ANSWER✅✅✅Synthetic Webbing Slings should always have
________ that specifies its' ______
Inspected Frequently - CORRECT ANSWER✅✅✅Synthetic Straps(nylon, polyester, etc.) need to be
_________
choker hitch - CORRECT ANSWER✅✅✅A ______ when drawn tight at an angle less than 120º, will
lose capacity
Rated Capacity of Choker Hitch at certain angles of pull - CORRECT ANSWER✅✅✅120-180º=100%
90-119º=87%
60-89º=74%
30-59º=62%
0-29º=49%