Fires resulting from spontaneous(自发的) combustion are usually caused by the improper disposal of______.
A.cigarette butts(烟头)
B.oily rags
C.burner torches
D.lighted matches
第1题:
Spontaneous combustion is caused by ______.
A.An outside heat source heating a substance until it ignites
B.Conduction of heat through a wall of material to the substance
C.Chemical action within a substance
D.All of the above
第2题:
Which substance might be subject to spontaneous combustion ________.
A.Coal
B.Scrap rubber
C.Leather
D.All of the above
第3题:
Which of the following coverage usually covers partial loss or damage resulting from natural calamities?()
第4题:
cigarette butts
oily rags
burner torches
lighted matches
第5题:
an electrical switchboard
the pressure tanks
the fuel oil tanks
the oily rag bin
第6题:
facilitate the installation of piston rings
allow for the expansion of the piston during operation
prevent crankcase vapors from entering the combustion chamber
reduce wearing of the upper cylinder liner
第7题:
engine overload
low combustion temperature
plugged fuel nozzle holes
excessive compression pressure
第8题:
thinner
thicker
smoother
rougher
第9题:
less fuel will enter the cylinder
higher the cylinder combustion temperature
more complete the fuel combustion
more rapid the rise in combustion pressure
第10题:
Cement
Chinaware
Fish meal
Steel products
第11题:
low water level
low oil pressure
excessively high fuel pressure
an improper air/fuel ratio
第12题:
Engine room bilges
Paint locker
Battery storage locker
Fuel oil tank
第13题:
______ is the most liable to spontaneous combustion.
A.Cement
B.Chinaware
C.Fish meal
D.Steel products
第14题:
The most frequent cause of fires aboard tankers is due to ______.
A.Improper gas freeing
B.Leaking of cargo pump glands
C.Tobacco smoking
D.Spontaneous combustion
第15题:
paint thinner in an open can
fuel accumulation in the bilge
oily rags in an unvented compartment
gasoline stored in steel drums
第16题:
low combustion temperature
a leaking fuel nozzle check valve
late fuel injection
plugged oil-scraper ring hole
第17题:
high combustion temperature
high compression pressure
cracked cylinder liner
fuel with a high vanadium content
第18题:
Owners are to be responsible for loss or damage even such loss or damage is not caused by the improper stowage
Owners are only responsible for the loss or damage or delay caused by improper or negligent stowage
Both A and B are right
Both A and B are wrong
第19题:
hold;responsibility
ask;responsibility
hold;responsible
require;responsible
第20题:
the crankcase explosion
lifting of the cylinder safety valve
a scavenge fire
opening of the manhole
第21题:
to ensure the safety of the ship and protect the cargo from being damaged
to avoid the rearrangement of the cargo loaded on board
to reject the damaged cargo during loading
to prevent the spontaneous combustion of coal and grain
第22题:
carbonization of oils from the combustion chambers
emulsions of lube oil and water
coagulation of unburned fuel below the piston rings
all of the above
第23题:
i.e./of
for instance/away
for example/off
such as/from