更多"A towboat has the same draft as the"的相关试题:
[单项选择]A towboat is pushing barges ahead at a dangerously fast speed when().
A. the towboat vibrates when backing down
B. the roostertail exceeds the height of the main deck
C. a strain is placed on the face wires
D. water comes over the foredeck of the lead barges
[单项选择]Most drill ships and barges have a walled opening below the derrick,open to the water’s surface and through which various drilling tools can pass down to the sea floor called a ().
A. moon pool
B. spider deck opening
C. pontoon
D. keyway
[单项选择]A tug is towing three manned barges in line in fog. The first vessel of the tow should sound ().
A. no fog signal
B. one short blast
C. one prolonged and three short blasts
D. one prolonged,one short,and one prolonged blast
[单项选择]A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the().
A. port and starboard strings
B. outer strings
C. drag strings
D. side strings
[单项选择]What is NOT a problem area when loading barges on a LASH type vessel? ()
A. Frequent stability calculations required
B. Thorough pre-planning required
C. Limiting depths alongside berths restrict barge drafts
D. Minimum trim and 0°list are required for optimum operations
[单项选择]Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges().
A. Each vessel should show sidelights
B. Each vessel should show at least one white light
C. The barges should be lighted as separate units
D. The barges should be lighted as one vessel
[单项选择]Prior to loading barges over the stern of a LASH vessel,the vessel should be trimmed in what manner?().
A. Two to four feet by the bow
B. Slightly by the bow
C. No trim should be permitted
D. Slightly by the stern
[单项选择]A lashing used to secure two barges side by side,lashed in an X fashion,is called a().
A. backing wire
B. scissor wire
C. face wire
D. breast wire
[单项选择]A tow of 9 barges is made up three abreast and three long. The towboat is faced up to the center string which is known as the().
A. main string
B. push string
C. power string
D. face string
[单项选择]The mean draft of a ship is the draft().
A. midway between the forward and aft draft marks
B. at the center of flotation
C. at the load line
D. at the center of buoyancy
[单项选择]The giving-way vessel has a same meaning of().
A. stand-on vessel
B. privileged vessel
C. burdened vessel
D. hampered vessel
[单项选择]()is your draft?
A. What
B. How
C. Which
D. When
[单项选择]For an upright vessel,draft is the vertical distance between the keel and the().
A. waterline
B. freeboard deck
C. plimsoll mark
D. amidships section
[单项选择]A vessel constrained by her draft shall, when she overtakes a sailing vessel in a fairway,the sailing vessel is().
A. priviledged vessel and keep her course and speed
B. burdened vessel and give way to others
C. burdened vessel and keep course nad speed
D. priviledged vessel and give way to others
[单项选择]For an upright vessel, draft is the vertical distance between the keel and the ().
A. waterline
B. freeboard deck
C. Plimsoll mark
D. amidships section