更多"For pumping the bilges，a 54 foot lo"的相关试题:
[单项选择]Accidental flooding of the engine room bilges by the bilge main is prevented by （）.
A. stop-check valves installed in the bilge manifolds
B. using a positive displacement reciprocating bilge pump
C. installing eductors in all bilge rose boxes
D. installing a swing check before each bilge valve
[单项选择]To thoroughly pump out the bilges using a horizontally mounted centrifugal pump, the （）.
A. pump must always be primed
B. volute must impart a radial and rotary motion of the water suction side
C. connection must guide the liquid to the lantern rings
D. stuffing box should not be allowed any water leakage
[单项选择]If it becomes necessary to pump bilges while a vessel is in port, which of the following procedures should be followed?（）
A. Pump only if the discharge is led to a shore tank or barge
B. Pump only during the hours of darkness
C. Pump only on the outgoing tide
D. Pump only as much as is necessary
[单项选择]Bilges may be pumped （）.
A. on the outgoing tide
B. overboard after dark
C. overboard through an oily water separator
D. anytime in an emergency, i-emain engine lube oil failure
[单项选择]You are on a 165-foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE? （）
A. You should stop to windward of the man and drift down on him
B. You should stop with the man on your weather beam and twist the ship up to him
C. A pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the man
D. Ship pick up should never be used with a shallow draft vessel
[单项选择]Preferred channel marks are aids to navigation which all following marks other than（）．
A. channel junctions
B. bifurcations
C. fishing traps
D. wrecks or obstructions
[单项选择]The abandon ship signal sounded by the vessels whistle is （）.
A. 6 short blasts and 1 long blast
B. long blast mare than 6 short blasts
C. more than 6 short blasts and 1 long blast
D. 1 long blast of at least 10 seconds
[多项选择]When you decide on Campus QoS Design elements, which two statements correctly identify considerations to be taken into account?（）
A. Voice needs to be assigned to the hardware priority queue.
B. Voice needs to be assigned to the software priority queue.
C. Call signaling must have guaranteed bandwidth service.
D. Strict-priority queuing should be limited to 50 percent of the capacity of the link.
[单项选择]Lines passed around the falls to hold the boat while passengers are boarding are（）.
A. life lines
B. frapping lines
C. tricing lines
D. tripping lines
[单项选择]As compared to carbon dioxide，dry chemical has which advantage?（）
A. Cleaner
B. Effective on metal fires
C. Greater range
D. More cooling effect
[单项选择]One of the factors limiting the amount of load which can be put on a modern marine diesel engine is the （）
A. governor sensitivity
B. exhaust temperature
C. fuel injection pressure
D. speed of the can shaft
[单项选择]Each Class A EPIRB shall be stowed in a manner which will permit（）.
A. easy access to its storage compartment
B. replacement of the battery without exposure to the weather
C. it to float free if the vessel sinks
D. it to remain attached to the vessel
[单项选择]Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.
A. Each vessel should show sidelights
B. Each vessel should show at least one white light
C. The barges should be lighted as separate units
D. The barges should be lighted as one vessel
[单项选择]The bore of each cylinder is formed in a liner which can be （） when worn out.
A. welded
B. replaced
C. drilled again
D. bored
[单项选择]A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.
A. remain on course and hold speed
B. remain on course but slack the speed
C. change course to put the wind on either beam and increase speed
D. change course and put the stern to the wind
[单项选择]An emergency bilge pumping system is provided and should be （） of the main bilge pumping system, according to the SOLAS 74 Convention.
A. dependent
B. in dependent
C. in series
D. in parallel
[单项选择]（） systems are provided with a stand-by device which will automatically be put in use in the even of the running device failing through a fault condition.
A. Alarm
B. Monitoring
C. Auto start-up
D. None of the above
