A.indicates the amount of abrasive material in the fuel
B.affects the starting ability of a cold engine
C.determines the amount of fuel penetration engine
D.affects the compression ratio of an operating engine
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A.dial indicator
B.outside caliper
C.bridge gauge
D.tram rod
A.telescoping
B.ring ‘snap’ gauge
C.inside vernier caliper
D.outside micrometer
A.cetane number
B.volatility point
C.viscosity index
D.octane number
A.specific gravity
B.cetane number
C.viscosity
D.calorific valve
A.Leaking seal ring
B.Insufficient heat transfer from the exhaust valves
C.Block cooling water passages to the head
D.Excessive scavenging air provided to the engine
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If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The treatment of the fuel oils involves storage, heating, filtering and（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.