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单选题
Is extra power available（）emergency while maneuvering?
A
for
B
in
C
during
D
to
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单选题While maneuvering, you discover heavy smoke coming from the turbocharger casing, you should （）A
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单选题Which statement concerning reserve sources of energy for GMDSS is FALSE（）.A
While the ship is at sea，there must be available at all times a supply of electrical energy sufficient to operate the radio installations and to charge any batteries used as part of a reserve source of energyB
Both the VHF and MF/HF installations must be simultaneously suppliedC
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单选题（）belongs to emergency power supplying equipments.A
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WindlassC
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单选题（） may have two emergency source of power, thus requiring two emergency switchboards.A
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argo winchB
WindlassC
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Air compressor
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单选题Cargo vessels being navigated，and fitted with emergency lighting and power systems，shall have their emergency systems tested at least once（）.A
a monthB
in each weekC
in every 6 monthsD
in every 12 months
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单选题When the engine room is put in standby condition, the engineer in charge of the watch need not to（）A
ensure all machinery which may be used during maneuvering is in readyB
ensure an adequate reserve of power is available for steering gear and other requirementsC
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单选题On offshore drilling units，emergency lighting and each emergency power system must be tested at least once a（）.A
dayB
weekC
monthD
year
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