A.Send the wiper into the well with only a scoop and pail
B.Remove the bilge manifold valve and attempt to back flush the line
C.Simultaneously operate all available bilge pumps
D.It is only necessary to transfer half the contents of a drum of degreaser into the bilge well
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A.surface fatigue
B.fretting corrosion
C.heavy overloading
D.gear misalignment
A.doing
B.make
C.turn
D.operating
A.why
B.which
C.in which
D.on which
A.until
B.not until
C.not before
D.not after
A.Heat is always transferred at a constant rate
B.Heat transfer rate increases as temperature difference increases
C.The rate of heat transfer is not affected by temperature difference
D.The high temperature region is known as a heat sink
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The ISPS Code consists of a mandatory section-Part A, which shows（）
Under MARPOL Code the ship to which it applies has to carry （）
（） is not installed on the main switchboar.
Cold weather starting of a diesel engine may be made easier by（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The cetane rating of diesel fuel is an indication of the （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Diesel engine air start system check valves are opened by （）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）