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Ship construction previous questions for meo class iv online exam

41)in nautical terminology a "dog" is a __________.
A) crow bar
B) device to force a water tight door against the frame
C) heavy steel beam
D) wedge

42)When using the term "limber system" one is referring to a __________.
A) cleaning system
B) drainage system
C) strengthening system
D) weight reduction system

43)"Limber" is a term associated with __________.
A) emergency gear
B) drainage
C) deck cargo storage
D) securing gear

44)the perforated, elevated bottom of the chain locker, which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains, is called a __________
A) cradle
B) draft
C) harping
D) manger

45)The "margin plate" is the __________.
A) outboard strake of plating on each side of an inner bottom
B) outer strake of plating on each side of the main deck of a vessel
C) plate which sits atop the center vertical keel
D) uppermost continuous strake of plating on the shell of a vessel

44)What is NOT an advantage of double bottom ships?
A) The tank top forms a second skin for the vessel.
B) The center of gravity of a loaded bulk cargo ship may be raised to produce a more comfortable roll.
C) The floors and longitudinals distribute the upward push of the water on the ship's bottom.
D) They are less expensive to construct because of increased access space.

47)Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?
A) Each vent for the tank must be equal to the area of the tank filling line.
B) The tanks must be protected by overflows.
C) The total area of the vents or the overflow shall be at least 125% of the area of the fill line.
D) There must be twice as much vent area as the area of the fill line.

48)Which statement concerning solid floors is TRUE?
A) They must be watertight.
B) They may have lightening, limber, or air holes cut into them.
C) They are built of structural frames connected by angle struts and stiffeners, with flanged plate brackets at each end.
D) They are lighter than open floors.

49)The "inner bottom" is the __________.
A) tank top
B) compartment between the tank top and shell of the vessel
C) inner side of the vessel's shell
D) space between two transverse bottom frames

50)The garboard strake is the __________.
A) raised flange at the main deck edge
B) riveted crack arrester strap on all-welded ships
C) riveting pattern most commonly used in ship construction
D) row of plating nearest the keel

51)The strake on each side of the keel is called

B) gatewood strake
C) insulation strake
D) garboard strake

52)In vessel construction, the garboard strake is __________.
A) located next to and parallel to the keel
B) located next to and parallel to the gunwale
C) another term for the bilge keel
D) another term for the rub rail

53)Another name for the garboard strake is the __________.
A) A strake
B) Z strake
C) side keel plate
D) stringer plate

54)The term "strake" is used in reference to __________.
A) rudder mountings
Ship construction
B) anchor gear
C) hull plating
D) vessel framing

55)The joint formed when two steel shell plates are placed longitudinally side to side is called a __________.
A) bevel
B) bond
C) strake
D) seam

56)The joint formed when two steel plates are placed end-to-end is called a __________.
A) bevel
B) seam
C) butt
D) bond

57)Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at  the ends. These strakes are called __________.
A) drop strakes
B) stealers
C) throughs
D) voids

58)To reduce the number of strakes at the bow, two strakes are tapered and joined at their ends by a single plate. This plate is known as a __________.
A) cover plate
B) joiner
C) lap strake
Ship construction
D) stealer plate

59)Which arrangement of shell plating is used most in modern shipbuilding?
A) Clinker
B) Flush
C) In-and-Out
D) Joggled

60)What is NOT an advantage of ship construction methods using welded butt joints in the shell plating?
A) Keeps practically 100% of tensile strength at the joints
B) Reduces frictional resistance
C) Reduces plate stress
D) Reduces weight

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