更多"If an airplane circles a vessel 3 t"的相关试题:
[单项选择]If an airplane circles a vessel 3 times，crosses the vessel’s course close ahead while rocking the wings，and heads off in a certain direction，what does this indicate?（）
A. The plane is in distress and will have to ditch
B. The plane is going to drop a package and wishes the vessel to recover it
C. Someone is in distress in that direction and the vessel should follow and assist
D. There is danger ahead and the best course is indicated by the direction of the aircraft
[单项选择]After transferring a weight forward on a vessel，the draft at the center of flotation will（）.
A. change，depending on the location of the LCG
B. increase
C. decrease
D. remain constant
[单项选择]The Shipowner is under a duty to（）the vessel to the port of loading even though it is impossible for her to get there by the canceling date．
A. mend
B. bend
C. rend
D. send
[单项选择]I sounded five short blasts to warn the vessel（）the immediate danger of collision.
A. of
B. off
C. to
D. with
[单项选择]Between the side frames on a vessel，support for the deck beams is provided by（）.
A. stanchions
B. brackets
C. web frames
D. deck stringers
[单项选择]If you saw flames aboard a vessel but could see the vessel was not on fire，you would know that the（）.
A. crew was trying to get warm
B. vessel required immediate assistance
C. vessel was attempting to attract the attention of a pilot boat
D. vessel was being illuminated for identification by aircraft
[单项选择]Every vessel should at all times proceed at a safe speed. Safe speed is defined as that speed where（）.
A. you can stop within your visibility range
B. you can take proper and effective action to avoid collision
C. you are traveling slower than surrounding vessels
D. no wake comes from your vessel
[单项选择]Every vessel shall at all times proceed at a safe speed so that she can（）.
A. take proper and effective action to avoid collision
B. be stopped within a distance appropriate to the prevailing circumstances and conditions
C. neither A nor B
D. both A and B
[单项选择]You are docking a vessel starboard side to with the assistance of two tugs.You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power.You must ensure that（）.
A. steerageway is not taken off
B. the bow doesn't close the dock first
C. the bow closes the dock first
D. the ship has no headway at the time
[单项选择]Which command displays the number of times that the OSPF Shortest Path First (SPF) algorithm has been executed?（）
A. show ip protocol
B. show ip ospf
C. sho w ip ospf database
D. show ip ospf interface
[单项选择]A current perpendicular to a vessel’s track has the greatest effect on the vessel’s course made good（）.
A. at high vessel speeds
B. at low vessel speeds
C. in shallow water
D. in deep water
[单项选择]A vessel brought alongside should be fended off the towing vessel by（）.
A. crew members using their arms
B. crew members using the strong muscles of their legs
C. fenders
D. No fending is necessary due to the rugged construction of most towing vessels
[单项选择]For a floating vessel，true mean draft is always the（）.
A. average of the observed drafts
B. draft at the center of flotation
C. draft corresponding to the calculated displacement
D. mean of the calculated drafts
[单项选择]A vessel being towed astern，where the length of the tow exceeds 200 meters，will exhibit （）.
A. two balls in a vertical line
B. a diamond shape where it can best be seen
C. a ball on each end of the tow
D. no dayshape
[单项选择]Your vessel is to dock bow in at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?（）
A. Bow spring line
B. Inshore head line
C. Stern breast line
D. Bow breast line
[单项选择]Aboard a vessel, multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in th eload’s（）.
A. TCG
B. transverse moment
C. righting moment
D. transverse free surface moment
