單項選擇題The productivity of working shifts can be improved through a decrease of（）.

A.working hours
B.gangs
C.idle time
D.weight per set


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1.單項選擇題The purpose of cant frames in steel vessel is（）.

A.To support the overhang of the stern
B.To strength the plating against the pounding of the sea
C.To add srength to the deck beams which support the weather deck
D.To support the plating of a cylindrical tank

3.單項選擇題The ship is now too much listing to portside. Which is the best way to keep the vessel upright?（）.

A.Put all the remaining cargo on starboard side
B.Put light cargo on starboardside and heavy cargo on port side
C.Put light cargo on port side and heavy cargo on starboard side
D.A,B,C are all correct

4.單項選擇題The ship will be responsible for the cargo loaded or unloaded（）.

A.only when the cargo is within its rail
B.during the time when loading or ynloading is going on
C.after the cargo is checked by tallymen
D.as soon as loading or discharging begins

5.單項選擇題The stowage factor should be calculated（）.

A.before the stowage plan is made
B.when the stowage plan is made
C.after the stowage plan is made
D.before loading