更多"When launching a lifeboat in the ro"的相关试题:
[单项选择]When launching a lifeboat in the rough sea, the davit gears should be released（）.
A. before the boat is lowered from the stowed position
B. as the boat fall blocks break clear of the davit head
C. before the boat is lowered from the embarkation level
D. after the boat is released into the water
[单项选择]In launching a lifeboat，when should the tricing pendants be released?（）.
A. Before the boat is lowered from the stowage position
B. As soon as the boat-fall blocks clear the davit head
C. After the limit switch is activated
D. After all people have been embarked
[单项选择]When launching a lifeboat，the tricing pennants should be released（）.
A. before the boat is lowered from the stowed position
B. as the boat-fall blocks break clear of the davit head
C. before the boat is lowered from the embarkation level
D. after the boat is released into the water
[单项选择]When launching an open lifeboat by falls，the boathooks should be（）.
A. secured forward and aft where readily available
B. secured amidships where they will not hinder the personnel
C. used for fending off
D. used for picking up survivors in the water
[单项选择]When ship navigating in rough sea, the first measure taken by the chief engineer to prevent the overload should be（）
A. cleaning fuel oil, lubricating oil and seawater filter
B. reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propeller
C. using low sea chest
D. closing the skylight and the ventilation opening, which doesn’t affect the normal work of equipments
[单项选择]When ship navigating in rough sea, the correct operation is （）
A. navigating with a low diesel engine speed
B. navigating with a stable diesel engine speed
C. increasing the efficiency of propeller
D. increasing fuel injection
[单项选择]When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.
A. Heave it home as fast as you can
B. Heave it home intermittently，between swells
C. Leave the anchor under foot，until the vessel may be brought before the Sea
D. Wait for a calm spot between seas，then house it
[单项选择]In launching a covered lifeboat，what would safely lower the lifeboat from inside the lifeboat cabin?（）
A. Frapping line
B. Tricing line
C. Rottmer release
D. Winch remote control wire
[单项选择]（）causing strong winds and rough sea north west Bay of Biscay.
A. Strong low pressure
B. Strong high pressure
C. Steep pressure gradient
D. Steep gradient pressure
[单项选择]Small floes of rough，hummocky sea ice capable of damaging a vessel（）.
A. can usually be detected by radar in a smooth sea at a range of 4 to 6 kilometers
B. are indistinguishable from sea return on the PPI
C. are invisible to radar when covered with a thick layer of snow
D. are usually seen at night before they are close enough to provide a radar echo
[单项选择]When distilling sea water the cooling water discharging from the distiller is fed back to evaporator as feed water （）.
A. to decrease scale formation
B. for better cooling effect
C. for more economical purpose
D. to raise vacuum
[单项选择]In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.
A. on the lee side
B. on the windward side
C. with the wind dead ahead
D. with the wind from astern
[单项选择]When anchoring a small sailing vessel in rough weather，the best anchor line would be composed of（）.
A. chain-wire
B. chain-manila
C. chain-nylon
D. all chain
[单项选择]（）should generally be used when handing rough or sharp objects.
A. Heat-resistant
B. Rubber gloves
C. PVC gloves
D. Leather gloves
[单项选择]Under normal weather and sea conditions when securing a stack of containers with non-locking fittings，lashings are required when the tier exceeds what height?（）.
A. Lashings are always required
B. One container
C. Two containers
D. Three containers
[单项选择]When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.
A. reducing rolling
B. increasing rolling
C. reducing yawing
D. increasing yawing
