A.Gasoline
B.Water
C.Lubricating oil
D.sulphur compounds
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A.back clearance
B.side clearance
C.gap clearance
D.taper clearance
A.reduce fuel weight
B.increase specific gravity
C.separate fuel from lube oil
D.reduce fuel viscosity
A.valve guides
B.oil control rings
C.valve seats
D.compression rings
A.throughput
B.additive percent
C.cetane number
D.TBN number
A.back
B.side
C.gap
D.bottom
最新試題
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Using a file without a handle may result in （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Diesel engine air start system check valves are opened by （）
Which of the following items don’t belong to dock repair works?（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The main purpose of port State control is not to（）
The cetane rating of diesel fuel is an indication of the （）