A、Flash point improvers
B、Pour point improvers
C、Inhibitors
D、Foam suppressors
更多“Which lubricating oil additive is used in diesel engines to reduce the tendency for sludge and varnish to form on the engine parts?（）”相关的问题
A、Splash lubrication B、Pressure lubrication C、Sight feed lubricators D、Mechanical lubricators
A、A.DM是$100，000不利；OI是$10，000有利 B、B.DM是$100，000有利；OI是$10，000有利 C、C.DM是$100，000不利；OI是$10，000不利 D、D.DM是$100，000有利；OI是$10，000不利
A、销售9，000；变动成本$290，000；营业收益（OI）$90，000 B、销售12，000；变动成本$370，000；营业收益（OI）$120，000 C、销售8，000；变动$280，000；营业收益（OI）$120，000 D、销售12，000；变动成本$355，000；营业收益（OI）$90，000
A、operated manually once an hour B、operated until the engine has started C、placed into operation only at maximum load D、adjustable to meet lubrication requirements
A、Lubrication systems using engine driven lube oil pumps do not require any additional independent arrangement when such arrangements have been proven reliable B、The use of engine driven pre-lube pumps is permitted on vessels with propulsion systems developing less than 500 shaft horsepower C、When forced lubrication is used for propulsion engines, one independently driven stand-by pumps is to be provided in addition to the necessary pumps for normal operation D、Lubrication systems where two oil coolers are fitted require a minimum of two temperature control devices which may be actuated by similar sensors
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