更多"The bilge pump on a fishing vessel（"的相关试题:
[单项选择]A bilge suction line，in a fishing vessel with more than 16 individuals aboard，must have a strainer with an open area not less than how many times the open area of the suction line?（）
A. one
B. two
C. three
D. four
[单项选择]If a centrifugal bilge pump were continually operated with the discharge valve closed the （）.
A. motor overload would open
B. relief valve would open
C. pump would eventually overheat
D. motor would overheat
[单项选择]A centrifugal bilge pump requires priming （）.
A. primarily to lubricate the shaft seals
B. due to the inability of this type of pump to lift water to cover the suction (eye) of the impeller
C. to initially unload the pump by having its head pressure equal to discharge pressure
D. in order to overcome the potential energy of water in the discharge line
[单项选择]If an operating bilge pump is developing good vacuum, but is unable to discharge any water, which of the following problems is the most probable cause?（）
A. The wearing rings are excessively worn
B. The suction strainer is clogged
C. The discharge valve is clogged
D. The shaft is worn
[单项选择]If a bilge pump failed to build up discharge pressure, you should check for （）.
A. excessive water in the bilges
B. a clogged suction strainer
C. oil in the bilges
D. All of the above
[单项选择]If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT （）.
A. the circuit breaker
B. for leaks in the suction piping
C. relief valve is not properly seated
D. the suction strainer
[单项选择]A fishing vessel is approaching a vessel not under command. Which statement is TRUE? （）
A. The fishing vessel must keep clear of the vessel not under command
B. If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vessel
C. They must exchange whistle signals
D. Both vessels are required to take action to stay clear of each other
[单项选择]Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.
A. person aboard
B. person working on deck
C. crew member
D. None of the above are correct
[单项选择]A fishing vessel casualty must be reported to the Coast Guard if it involves（）.
A. loss of life
B. an injury requiring only first aid
C. $(SA)10，000 in property damage
D. loss of equipment which doesn't reduce the vessel's maneuverability
[单项选择]Every seaman injured on a fishing vessel must reportthe injury to the Master，individual in charge，or otheragent of the employer（）.
A. before the end of the voyage
B. no later than 24 hours after the vessel docks
C. no later than 7 days after the injury occurred
D. only if the injury prevents him from working
[单项选择]A fishing vessel that is required to have a fireman’s outfit，must have all of the following in the outfit except a（）.
A. flashlight
B. combustible gas indicator
C. self-contained breathing apparatus
D. fire axe
[单项选择]A life float on a fishing vessel must be equipped with （）.
A. a painter
B. red smoke flares
C. a jackknife
D. a signal mirror
[单项选择]A power-driven fishing vessel is underway on the high seas and is not engaged in fishing. Which of the following factors determines what lights she will show?（）.
A. Whether she is normally a fishing or a trawling vessel
B. Her gross tonnage
C. Her length
D. The type of gear she carries
[单项选择]A fishing vessel displaying the lights shown is（）.
A. anchored
B. underway but not fishing
C. tending a small fishing boat
D. fishing by trawling
[单项选择]The （）pump is usually used as the bilge feed pump to an oily water separator.
A. turbine
B. screw
C. vane
D. ejector
[单项选择]In view of（）bilge water from any vessel，an application shall be made to Harbor Authorities for approval．
A. discharging
B. recircling
C. loading
D. taking in
[单项选择]The pump used to send the bilge water into the oily water separator（）the mixture because this might create finer oil particles.
A. should agitate
B. should not agitate
C. should mix up
D. should not add up
[单项选择]The （）pump is usually used as the emergency bilge pump.
A. turbine
B. screw
C. vane
D. ejector
