海上货物运输 - 船舶强度

单选题

Compared to internal structural plating，the exterior hull plating on a vessel is usually（）.

A. stronger
B. thinner
C. more corrosion resistant
D. a lower grade steel

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单选题

Structural stress levels in a ship are the sum of loading stresses and stresses due to（）.

A. environmental loads
B. variable loads
C. ballast loading
D. mooring load

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单选题

The function of the bilge keel is to（）.

A. reduce the rolling of the vessel
B. serve as the vessel's main strength member
C. add strength to the bilge
D. protect the vessel's hull when alongside a dock

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单选题

The pillar shape that gives the greatest strength for the least weight is the（）.

A. octagonal pillar
B. H Beam pillar
C. I Beam pillar
D. circular type pillar

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单选题

The procedure of strengthening damaged structures on a ship by using wood or steel is called（）.

A. bracing
B. battening
C. blocking
D. shoring

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单选题

Transverse stability calculations require the use of（）.

A. hog or sag calculations or tables
B. hydrostatic curves
C. general arrangement plans
D. cross-sectional views of the vessel

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单选题

The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the（）.

A. lifting capacity of the winch
B. location of the boom
C. position of the guy
D. weight of the load

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单选题

If your vessel is aground at the bow，it would be preferable that any weight removals be made from the（）.

A. bow
B. mid-section
C. stern
D. All of the above

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单选题

The load chart of a crane enables the operator to combine the load radius with boom length to determine the（）.

A. maximum counter weight required
B. minimum horsepower required
C. hoist rope strength
D. allowable load

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单选题

When a vessel’s LCG is aft of her LCB，the vessel will（）.

A. trim by the stern
B. trim by the head
C. be on an even keel
D. be tender

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