CARGO WORK ; Ro-ro/ Stowage Flashcards
Which of the following is a characteristic of a Ro-Ro vessel?
Short in port turnaround times
What characterizes a Ro-Ro vessel?
high freeboard and sail area
What is not a loading or transfer feature aboard a Ro-Ro vessel?
Stuelcken boom
What are some loading features of a Ro-Ro vessel?
Stern ramp and/or side ramp
Hatch opening designed as a lift
Cargo lift
The primary objective of a Ro-Ro vessel is to __________.
transport vehicles
Cargo that is suitable for carriage on Ro-Ro vessels includes __________.
Trailers
Rolling vehicles
Containers
Which of the following are considered to be “road vehicles” that can be carried on Ro-Ro vessels?
Semi-trailer
Road train (NOT train)
Articulated road train (NOT articulated train)
Any vehicle to be loaded aboard a Ro-Ro vessel must __________.
be provided with an effective braking system
Which operating procedure(s) should be adhered to on a Ro-Ro vessel?
One officer assigned to oversee the initial loading and lashing
All lashings should be completed before leaving port
Periodic inspection and retensioning of lashings during the voyage
Which standard operating procedure(s) should be adhered to on a Ro-Ro vessel?
periodic inspectiona and retensioning of lashings as required during voyage
When accepting vehicles for shipment, the Master should ensure that __________.
All decks intended for the stowage of vehicles are, in so far as practible, free from oil and grease
The ship has on board an adequate supply of caro securing gear, which is maintained in sound working condition
Vehicles are in apparent good order and condition suitable for sea transport, particularly with regards to securing
Entries should be made in a Ro-Ro vessel’s cargo-securing device record book for __________.
Procedures for accepting cargo securing devices
Procedures for maintaining and reparing cargo-securing devices
Record of cargo securing device inspections
Onboard a Ro-Ro vessel many decks are used for the carriage of both rolling and container cargoes, as such it is most useful if a deck socket accepts both __________.
twist locks and lashing hooks
Cargo securing for Ro-Ro is based on the concept of __________.
rapid loading and discharge
Which factor(s) affect lashing requirements aboard Ro-Ro vessels?
Ship’s characteristics and motion in a seaway
The securing of passenger cars on a Ro-Ro vessel requires __________.
Simple and lightweight equipment
Low labor intensive equipment
Specially designed equipment to avoid vehicle damage
Which of the following is considered auxiliary securing equipment that provides extra reliability to lashing in Ro-Ro transport operations?
Trailer trestles
Pedestals
Wheel Chocks
The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
Rolling
Pitching
Heaving
Any force of gravity acting on the lashes
What variables factor affects the initial lashing requirements aboard Ro-Ro vessels?
Center of gravity of vehicle or cargo unit
Size and weight of vehicle/cargo unit
Number, postition, and angle of lashings
Which lashing device(s) would be used in securing heavy vehicles aboard Ro-Ro vessels?
chain
chain lever or turnbuckle
Which lashing materials would be used in securing light vehicles aboard Ro-Ro vessels?
Webbing
Buckle or ratchet tensioner
Which lashing material is preferred when securing new cars aboard Ro-Ro vessels?
webbing
What is NOT used when securing HEAVY vehicles on Ro-Ro vessels?
Buckle or ratchet tensioner
Webbing
Manila rope
What is NOT uses when securing LIGHT vehicles aboard Ro-Ro vessels?
Chain lever or turnbuckle
Chain
Wire
An advantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it __________.
has long life
A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it __________.
Does not absorb shock
Heavy
The links lose strength if placed over corners
The disadvantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels is that it __________.
Deteriorates in sunlight
Cuts on sharp edges
Is vulnerable to damage and pilferage
What is/are the advantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels?
Good working life
Light and easy to handle
Flexible
The advantage(s) of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it __________.
Lighter than chain
Has a good working life
Is not affected by temperature
Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?
Adjust-a-matic tensioner
Which tensioning device is used with webbing to secure light vehicles aboard Ro-Ro vessels?
Ratchet tensioner
Buckle tensioner
Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels?
Turnbuckle
What statements are TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?
The generally recommended lash angle is no greater than/cannot be greater than 45 degrees relative to the deck in any direction
The securing of cargo on flats and trailers and in containers must be adequate to withstand both road and sea motions
It is necessary for an adequate number of securing points on the vehicles themselves in order that lashings may be properly and safely utilized
The movements experienced by road borne cargo differ significantly from the roll and sway movements of a ship at sea
Which factor(s) should be considered when loading vehicles or trailers aboard Ro-Ro vessels?
Layout of decks
Vertical clearances
Tie-down and lashing
According to the IMO Code, what are the minimum number of securing points that should be on each side of a “road vehicle”, whose gross vehicle mass is between 3.5 Tons and 20 Tons, when carried on Ro-Ro vessels?
Two