A.Ring type
B.Fork type
C.Spade type
D.Push on pull off type
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A.anaerobic bacteria
B.aerobic bacteria
C.air bubbles
D.disinfection chemicals
A.the temperature and flow quantity of the exhaust gas from M.E
B.the quantity of steam demanded
C.the rotary speed and the cooling water temperature of main engine
D.efficiency of M.E turbocharger
A.purge lube oil from the liquid refrigerant
B.recover water purged from the system
C.separate foul gases from the receiver
D.purge non-condensable gases without losing refrigerant
A.Sub-cooled liquid
B.Sub-cooled vapor
C.Superheated vapor
D.Liquid
A.incorrect electrode setting
B.incorrect nozzle position
C.clogged fuel nozzle
D.broken high tension lead
最新試題
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Diesel engine air start system check valves are opened by （）
（） is not installed on the main switchboar.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Cold weather starting of a diesel engine may be made easier by（）
Under MARPOL Code the ship to which it applies has to carry （）