Wednesday, November 5, 2008

Some Deck General - Safety Questions

The following questions are from the USCG's exam data base....

Marlinspike Study Questions:

1. Which type of line will stretch the most when under strain?

A Polypropylene
B Dacron
C Nylon
D Manila

2. Faking a line means to:

A arrange it on the deck in long parallel rows
B coil it down on the deck
C put a whipping on it
D stow it below

3. A fid is a:

A mallet used when splicing wire rope
B tapered steel pin used to separate wire rope
C sharp-pointed crowbar used to unlay wire rope
D tapered wooden pin used when splicing heavy rope

4. A knot in a line reduces the strength of line:

A If it isn’t a bowline
B Always
COnly when a bend is used
D Never

5. The “lay” of a line refers to:

A its normal location of stowage
B the direction of twist in the strands
C the manner in which it is coiled
D the manner in which it is rigged

6. A rope made up of a combination of wire and rope is known as:

A independent
B long lay
C preformed
D spring lay

7. Which material makes the strongest mooring line ?

A Dacron
B Manila
C Nylon
D Polyethylene

8. A fitting attached to an chain anchor rode which takes the load is called:

A a hook
B anchor rode fitting
C a rode grabber
D a devil’s claw

9. Right-laid line should be coiled:

A clockwise
B counterclockwise
Ceither clockwise or counterclockwise
D on a reel

10. An advantage of nylon rope over manila rope is that nylon rope:

A can be used in conjunction with wire or spring lay rope
B can be stored on decks exposed to sunlight
C can hold a load even when a considerable amount of yarns have been abraded
D gives audible warming of overstress whereas manila does not

11. When using natural-fiber rope, you should NEVER:

A dry the line before stowing it
B reverse turns on winches periodically to keep out kinks
C try to lubricate the line
D use chafing gear

12. The strongest of the natural fibers is:

A cotton
B hemp
C manila
D sisal

13. Which type of line would have the least resistance to mildew and rot?

A Manila
B Nylon
C Dacron
D Polypropylene

14. When taking a length of new manila rope from the coil, you should:

A mount the coil so that it will spool and unreel from the outside
B roll the coil along the deck and allow the rope to fall off the coil
C lay the coil on end with the inside end down, then pull up the inside end up through the middle of the coil
D lay the coil on end with the inside end up then unwind the rope from the outside of the coil

15. In order to help protect a natural fiber rope from rotting, the line must be:

A dried and stowed in a place with adequate ventilation
B stowed in a hot, moist compartment
C stowed on deck at all times
D stowed in any compartment

16. Nylon line can be dangerous because it:

A breaks down when wet
B kinks when wet
C is not elastic
D stretches

17. Which device is designed to automatically hold the load if the power should fail to an electric winch?

A Pneumatic brake
B Electromagnetic brake
C Hand brake
D Motor controller

18. A normal safe working load for nylon rope is:

A 10% of its breaking strain
B 40% of its breaking strain
C 50% of its breaking strain
D 66% of its breaking strain

19. What is an advantage of the 6X37 class of wire rope over the 6x19 class of wire rope of the same diameter?

A Greater flexibility
B More resistant to corrosion
C More resistant to elongation
D Lower weight per foot

20. Which type of line floats?

A Dacron
B Nylon
C Old Manila
D Polypropylene

21. What is the breaking stress of a 2½ -inch manila line?

A 3,600 lbs.
B 5,625 lbs.
C 8,575 lbs.
D 9,800 lbs.

22. What is the breaking stress a 4 inch manila line in long tons (2,240 pounds)?

A. 6.4
B. 7.4
C. 5.8
D. 8.0

23. Using a safety factor of six, determine the safe working load of a line with a breaking strength of 20,250 lbs.

A. 6,750
B. 3,375
C. 10,000
D. 121,500

24. A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?

A 3,000 lbs.
B 5,000 lbs.
C 15,000 lbs.
D 65,000 lbs.

25. Stays are:

A running rigging leading fore and aft from the mast
B running rigging leading athwartships from the mast
C standing rigging leading fore and aft from the mast
D standing rigging from the cross trees to the masthead

26. The fitting that allows a cargo boom to move freely both laterally and vertically is called the:

A swivel
B Lizard
C spider band
D gooseneck

27. Raising the boom to its full upright position is:

A raising the boom
B preventing the guy
C topping the boom
D whipping the boom

28. The term “standing rigging” refers to:

A booms and kingposts
B guys and vangs
C stays and shrouds
D topping lifts and cargo runners

29. Galvanizing would be suitable for protecting wire rope which is used for:

A cargo runners
B stays
C topping lifts
D All the above

30. A common class of wire rope is the 6x19 class. What does the 19 represent?

A Number of wires in the inner core
B Number of strands per wire rope
C Tensile strength of the wire rope
D Number of wires per strand

31. The size of wire rope is determined by the:

A number of strands
B number if wires in each strand
C circumference
D diameter

32. The “carrick bend” is used to:

A add strength to a weak spot in a line
B join two hawsers
C be a stopper to transfer a line under strain
D join lines of different sizes

33. The knot used to join two lines of different diameter is a:
A square knot
B carrick bend
C becket bend
D sheepshank

34. A long splice in a line:

A is used in running rigging
B doubles the size of the line
C is only used on fiber rope
D is very weak

35. Which splice should you use in order to make a permanent loop in a line?

A Back Splice
B Eye splice
C Long splice
D Short splice

36. The strongest way to join the ends of two ropes is with a:

A back splice
B short splice
C square knot
D carrick bend

37. A “sheepshank” is used to:

A keep a line from fraying
B join two lines of unequal sizes
C stop off a line
D shorten a line

38. A “figure-eight” knot is used to:

A as a stopper
B shorten a line
C join lines of equal size
D keep a line from fraying

39. Polypropylene line is:

A Has the same strength as manila rope
B About 1.4 X stronger than manila rope
C About 2.0 X stronger than manila rope
D About 2.5 X stronger than manila rope

40. Dacron line:

A Is a trade name for manila rope made in China
B Is made from natural fibers
C will safety absorb surge loads
D stretches less than nylon rope

41. When passing a hawser to the dock you would first use what line?

A Throw line
B Heaving line
C Preventer
D Warp

42. The bitter end of a line is:

A The hauling part of a block and tackle
B The standing part of a line
C The end of a line
D An area of a line where the strands have been abraded

43. What is a figure eight knot used for?

A Allow a line to pay easy
B To prevent a line from pulling through a clove hitch
C Attaching a messenger line
D Joining line of unequal diameter

44. A Granny and a Square knot:

A Is the same knot
B Is not the same knot
C A square knot using small stuff
D A granny knot using large stuff

45. What is the correct formula to compute breaking strain of a nylon line?

A BS = circumference2 X 900
B BS = circumference2 X 900 X 2.5
C BS = circumference2 X 900 X 2.0
D BS = circumference2 X 900 X 1.4

46. A splice in a line reduces:

A Both the working and breaking strain by 10%
B The working strain by 10%
C The breaking strain by 10%
D None of the above

47. What is the working strain of a 3 inch nylon line?

A The same as a 3 inch manila line
B One half of the breaking strength
C The same as the breaking strength
D Ten-percent (10%) of the breaking strength

48. A braided line is about how much stronger than stranded line?

A None
B 5%
C 10%
D 20%

49. The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is:
A.coiling the line
B.faking down the line
C. lemishing the line
D. racking the line

50. When a line is subject to wear where it pass through a mooring chock, it should be:

wormed, parceled, and served
wrapped with heavy packing tape
wrapped with chafing gear
wrapped in netting


1. C 26. D
2. A 27. C
3. D 28. C
4. B 29. B
5. B 30. D
6. D 31. D
7. C 32. B
8. D 33. C
9. A 34. A
10. C 35. B
11. C 36. B
12. C 37. D
13. A 38. A
14. C 39. B
15. A 40. D
16. D 41. B
17. B 42. C
18. A 43. B
19. A 44. B
20. D 45. B
21. B 46. A
22. A 47. D
23. B 48. D
24. A 49. B
25. C 50. C

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