更多"When the period of beam seas equals"的相关试题:
[单项选择]When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.
A. on only the forward falls
B. on only the after falls
C. with a lead of about 45 degrees to the boat
D. from the falls to the main deck of the vessel
[单项选择]Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use（）.
A. Chain
B. Wire rope
C. Webbing
D. All of the above
[单项选择]How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）
A. Drape along brackets
B. Leave in place while back loading cargo to save time
C. Hang vertically in the paint locker
D. All of the above
[单项选择]Cargo that is suitable for carriage on Ro-Ro vessels includes（）.
A. trailers
B. rolling vehicles
C. containers
D. All of the above
[单项选择]The securing of passenger cars on a Ro-Ro vessel requires（）.
A. simple and lightweight equipment
B. low labor intensive equipment
C. specially designed equipment to avoid vehicle damage
D. All of the above
[单项选择]Cargo securing for Ro-Ro is based on the concept of（）.
A. solid packing
B. rapid loading and discharge
C. vessel loaded full and down to her marks
D. palletized cargo
[单项选择]In heavy seas the helmsman should steer the survival craft（）.
A. into the seas
B. broadside to the seas
C. in the same direction as the seas
D. in a series of figure-eights
[单项选择]In heavy seas the helmsman should steer the motor lifeboat（）.
A. into the seas
B. broadside to the seas
C. in the same direction as the seas
D. in a series of figure-eights
[单项选择]The primary objective of a Ro-Ro vessel is to（）.
A. transfer containers without chassis
B. load the vessel with palletized cargo
C. transport vehicles
D. be loaded full and down to her marks
[单项选择]Which change in the condition of the seas could indicate the formation of a tropical storm or hurricane several hundred miles from your location? （）
A. A long swell from an unusual direction
B. A lengthy lull in the wind and seas
C. Large seas coming from different directions
D. A brisk chop from the southeast
[单项选择]Entries should be made in a Ro-Ro vessel’s cargo-securing device record book for（）.
A. procedures for accepting cargo securing devices
B. procedures for maintaining and repairing cargo-securing devices
C. record of cargo securing device inspections
D. All of the above
[单项选择]In heavy seas you decide to heave to. The lifeboat should be（）.
A. brought to a position with the stern into the seas
B. allowed to take its own head
C. brought to lay in the trough
D. brought bow into the seas
[单项选择]In vessel construction. Beam brackets are triangular plates than join the deck beam to a（）.
A. bulkhead
B. frame
C. stanchion
D. deck longitudinal
[单项选择]In vessel construction, beam are transverse girders which provide support to（）.
A. bulkheads
B. deckhouse structures
C. decks
D. vertical frames
[单项选择]In vessel construction，beam brackets are triangular plates that join the deck beam to a（）.
A. bulkhead
B. frame
C. stanchion
D. deck longitudinal
[单项选择]A deck beam does NOT（）.
A. act as a beam to support vertical deck loads
B. lessen the longitudinal stiffness of the vessel
C. act as a tie to keep the sides of the ship in place
D. act as a web to prevent plate wrinkling due to twisting action on the vessel
[单项选择]A vessel is fishing at anchor on the high seas. Which of the following day signals should she display if she has gear extending out over 150 meters horizontally from the vessel?（）.
A. A black ball in the forepart of her vessel
B. A black double frustum of a cone
C. A basket where best seen
D. A black cone point upwards
