更多"A towing vessel’s fire detection sy"的相关试题:
[单项选择]On a cargo vessel, fire and boat drills must be held within 24 hours of leaving port if the percentage of the crew replaced is more than （）.
A. 5%
B. 10%
C. 25%
D. 40%
[单项选择]The master of any vessel entering Singapore may （） radio pratique to the Port Health Officer through his local agent.
A. apply to
B. apply for
C. apply with
D. apply in
[单项选择]Fire may ba spread by which means?（）.
A. Conduction of heat to adjacent surfaces
B. Direct radiation
C. Convection
D. All of the above
[单项选择]Fire may be spread by which means?（）.
A. Conduction of heat to adjacent surfaces
B. Direct radiation
C. Convection
D. All of the above
[单项选择]A fire may be spread by which of the following means?（）
A. Conduction of heat to adjacent surfaces
B. Direct radiation
C. Convection
D. All of the above
[单项选择]A vessel aground may have negative GM since the（）.
A. decrease in KM is equal to the loss of draft
B. virtual rise of G is directly proportional to the remaining draft
C. lost buoyancy method is used to calculate KM，and KB is reduced
D. displacement lost acts at the point where the ship is aground
[单项选择]The maximum number of passengers a Vessel may carry（）.
A. is stated on the vessel's Certificate of Inspection
B. is the number authorized in the Navigation Rules
C. depends on the number of lifejackets you carry
D. is the number authorized by your license
[单项选择]A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights（）.
A. are not the same color as either side light
B. have a lesser range of visibility than the prescribed lights
C. do not impair the visibility or distinctive character of the prescribed lights
D. All of the above
[单项选择]The permanent magnetism of a vessel may change in strength due to（）.
A. the nature of the cargo being carried
B. changes in heading
C. major structural repair
D. All of the above
[单项选择]A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n)（）.
A. constructive total loss
B. salvage loss
C. actual loss
D. preferred loss
[单项选择]A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
A. a low velocity spray applicator
B. a water spray or solid stream
C. at least two spray patterns of water
D. at least 25 psi delivered pressure
[单项选择]A passenger vessel is underway. When may passengers visit the pilothouse? （）
A. Passengers are excluded from the pilothouse while underway
B. Passengers are permitted in the pilothouse during daylight hours only
C. Passengers are permitted to visit the pilothouse when authorized by the Master and officer of the watch
D. Passengers are permitted in the pilothouse when they are escorted by a ship's officer
[单项选择]A vessel may be unable to take proper and effective action due to the speed（）too high or，in some circumstances，too low.
A. is
B. is to be
C. will be
D. being
[单项选择]A pilot vessel may continue to sound an identity signal if she is （）.
A. aground
B. at anchor
C. not under command
D. being towed
