默认题库 - 船舶货运基本知识 - 查题吧

单选题

At an angle of loll，the righting arm (GZ) is（）.

A. maximum
B. negative
C. positive，but reflexive
D. zero

单选题

For a ship with longitudinal inclination，an increase in GML causes（）.

A. list to stabilize at an angle of loll
B. trim to stabilize at an angle of loll
C. trim to increase
D. trim to decrease

单选题

For a vessel with list，a decrease in GMT will cause the angle of inclination to（）.

A. stabilize at an angle of loll
B. decrease
C. increase
D. remain constant

单选题

If the metacentric height is small，a floating vessel will（）.

A. be tender
B. have a quick and rapid motion
C. be stiff
D. yaw

单选题

Progressive flooding may be indicated by（）.

A. ballast control alarms
B. excessive draft
C. excessive list or trim
D. a continual worsening of list or trim

单选题

The KM for a vessel may be determined by which of the following?（）.

Adding the KB and the BM
B. Subtracting the KB from the BM
C. Subtracting the GM from the KB
D. Adding the GM and the KB

单选题

The ship’s draught forward is slightly deeper than the draught aft．This condition is called（）in shipping terms.

A. trim by the head
B. trim by the stern
C. even keel
D. drafts different

单选题

The ship’s draught forward is same as her draught aft.This condition is named as（）.

A. even keel
B. even trim
C. even draught
D. even float

单选题

The existence of liquids in partially full tanks or compartments of a ship causes a virtual rise in the height of the（）.

A. metacenter
B. center of buoyancy
C. center of flotation
D. center of gravity

单选题

In order to determine the trimming arm for your vessel at any particular draft，which of the following would you compare?（）.

A. Longitudinal center of buoyancy and longitudinal center of gravity
B. Longitudinal center of floatation and longitudinal center of gravity
C. Longitudinal center of floatation and longitudinal center of buoyancy
D. Longitudinal tipping center and longitudinal center of gravity

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