Naval Science Test 1

Front 1

monkey fist

Back 1

knot at the end of a heaving line to provide weight

Front 2

breast lines

Back 2

run at right angles to the keel and control the distance of the ship from the pier

Front 3

bight

Back 3

a loop of line or chain

Front 4

bitter end

Back 4

free end of a length of line, wire, chain, or cable

Front 5

eye

Back 5

closed loop in the end of a line

Front 6

marlinspike

Back 6

tapered steel tool used in splicing wire

Front 7

fid

Back 7

tapered wood tool used in splicing lines

Front 8

coil

Back 8

lay down a line in circular turns on top of one another

Front 9

flemish

Back 9

coil a line flat on deck

Front 10

fake down

Back 10

lay out a line in long, flat bights

Front 11

heaving line

Back 11

light weighted line thrown across to a ship or pier when coming alongside to act as a messenger for a mooring line

Front 12

rat-tailed stopper

Back 12

line designed to take the strain of a working line while shifting the working line about bitts or cleats

Front 13

mousing

Back 13

light line across a hook to prevent a sling from slipping off of it or a pin from backing out

Front 14

shot line

Back 14

light nylon line used in a line-throwing gun

Front 15

bolo

Back 15

nylon line with a lead weight in canvas or leather, thrown from ship to ship or from a ship to a pier

Front 16

aft spring lines

Back 16

tend aft from the ship to the pier and control the ship's forward movement

Front 17

small stuff

Back 17

line or rope less that 1 3/4 inches in circumference

Front 18

forward spring lines

Back 18

tend forward from the ship to the pier and control the ship's aft movement

Front 19

cleat

Back 19

device consisting of a double-ended pair of projecting horns used for securing a line or wire

Front 20

bitts

Back 20

heavy vertical cylinders usually arranged in pairs and used for making fast lines that have been led through chocks

Front 21

chock

Back 21

heavy fitting with smooth surfaces through which mooring lines are held

Front 22

open chock

Back 22

open at the top

Front 23

closed chock

Back 23

closed by an arch of metal across the top

Front 24

roller chock

Back 24

contains a roller for reducing friction

Front 25

bollard

Back 25

strong cylindrical upright on a pier, around which the eye or bight of a ship's mooring line is placed

Front 26

capstans

Back 26

separate vertical machinery units or part of the anchor windlass around which lines are passed, commonly used in mooring and achoring evolutions

Front 27

chafing gear

Back 27

canvas or other material placed around mooring lines to prevent wear

Front 28

fenders

Back 28

material designed to absorb the shock of contact between a ship and pier or between ships

Front 29

camel

Back 29

a float used as a fender between two ships or a ship and a pier

Front 30

rat guards

Back 30

shields secured around mooring lines immediately after mooring, to prevent rats from coming aboard ships

Front 31

dip the eye

Back 31

if two bights or eye splices are to be placed over the same bollard, the second one must be led up and through the eye of the first and then placed over the bollard which makes it possible for either to be cast off independently

Front 32

padeye

Back 32

a plate with an "eye" attached, welded to the deck to distribute the strain over a large area and to which a block can be hooked or shackled, also used in towing operations

Front 33

lifelines

Back 33

lines erected around the edges of decks
Top: lifeline
Middle: housing line
Bottom: foot rope
Snaking: netting stretched between the deck and the housing line or foot rope to prevent personnel and objects form being washed overboard

Front 34

leadline

Back 34

marked line used to determine water depth in fathoms

Front 35

boatswain's chair

Back 35

used for sending one person over the side

Front 36

jacob's ladder

Back 36

flexible, portable ladder with ropes and rungs slung over the side for temporary use. commonly used for access to small boats secured to boat booms

Front 37

boat boom

Back 37

a spar swung out from a ship's side permitting small boats to ride safely alongside a ship while at anchor

Front 38

pilot's ladder

Back 38

flexible, portable ladder usually constructed of metal, sturdier than a Jacob's ladder

Front 39

sea ladder

Back 39

rigid, portable ladder may be mounted and secured to the side

Front 40

accomodation ladder

Back 40

rigid, inclined ladder rigged to the side of the ship to provide a convenient means for boarding or leaving an anchored or moored ship

Front 41

marline

Back 41

two strand, tarred hemp small stuff for serving a line

Front 42

houseline

Back 42

three strand, left laid tarred hemp for light seizings, light rigging, and work exposed to weather

Front 43

seizing stuff

Back 43

not much larger than fishing line-it is used for fancier jobs than marline can accomplish

Front 44

ratline stuff

Back 44

dark brown and coarse, it is primarily used for snaking-nettings to prevent personnel from washing overboard

Front 45

hawser

Back 45

heavy line over 5 inches in circumference used for towing or mooring

Front 46

William

Back 46

vital sea suction valves that are kept open during all conditions of readiness

Front 47

Circle william

Back 47

normally kept open, but must be secured against Chemical, Biological, Radiological (CBR) attack

Front 48

bilge keel

Back 48

long, narrow fins fitted to both sides of the hull at the turn of the bilge to lessen rolling

Front 49

Ballast

Back 49

weight added to the lower part of the ship to keep her in balance

Front 50

bulwark

Back 50

vertical extensions above the deck edge of the shell plating, high enough to prevent personnel and equipment from going overboard

Front 51

draft

Back 51

vertical distance from the waterline to the keel, the minimum depth of water needed for the ship to float

Front 52

Hull

Back 52

the main body of the ship

Front 53

shell plating

Back 53

the sides of the hull

Front 54

main deck

Back 54

the uppermost deck that runs continuously from bow to stern

Front 55

bilge

Back 55

intersection of side plating and bottom plating

Front 56

keel

Back 56

the "backbone" of the ship. Usually similar to an I-beam that runs the length of the ship

Front 57

Frames

Back 57

are fastened to the keel and run athwartships, supporting the watertight skin. Divide ships into vertical rows of compartments

Front 58

decks

Back 58

"Floors" aboard ships. Divide ships into horizontal tiers or layers of compartments

Front 59

levels

Back 59

similar to decks, located above the main deck

Front 60

weather deck

Back 60

the portion of the main deck and the upper levels exposed to the weather (topside)

Front 61

bulkhead

Back 61

"walls" aboard ship

Front 62

overhead "ceilings" aboard ships

Back 62

"ceilings" aboard ships

Front 63

compartment

Back 63

"rooms" aboard ship. They are bounded by overheads, bulkheads, and decks.

Front 64

X-Ray

Back 64

least protective condition, allows for easy passage between compartments, set during workday and in well protected anchorages

Front 65

Yoke

Back 65

more protection than X-Ray, set and maintained at sea and in port after working hours

Front 66

Zebra

Back 66

highest degree of damage control readiness, set entering and leaving port during wartime, or during general quarters

Front 67

Circle X-Ray

Back 67

closed during Xray, yoke, zebra, may be opened without special permission but must be reset immediately

Front 68

Circle yoke

Back 68

closed during Yoke and Zebra, may be opened without special permission to get to battle stations, but must be closed after use

Front 69

Circle Zebra

Back 69

fittings may be opened without permission for short periods of time, but must be closed when not in use

Front 70

Dog Zebra

Back 70

fittings secured during Zebra, also separately during darken ship conditions

Front 71

freeboard

Back 71

vertical distance from the waterline to the main deck

Front 72

lifelines

Back 72

light wire ropes supported by stanchions, they serve the same puropse as bulwarks

Front 73

propeller guards

Back 73

steel braces protruding from the hull directly above the propellors. they prevent the propellors from striking the dock, pier, or other ship

Front 74

stem

Back 74

the point of the hull at the bow

Front 75

stern

Back 75

the area on the aft end of the ship where both sides meet

Front 76

trim

Back 76

the relationship between fore and aft draft

Front 77

list

Back 77

the athwartship balance of the ship. a ship may have a port list or a starboard list.