搜题

【单选题】

（） is sometimes used for piston cooling since leaks into the crankcase would not cause problems.

A、Diesel oil

B、Hydraulic oil

C、Lube oil

D、Mineral oil

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更多“（） is sometimes used for piston cooling since leaks into the crankcase would not cause problems.”相关的问题

第1题

[单选题] The metal，teardrop-shaped object sometimes used within an eyesplice is a（）.

A、grommet B、reinforcement C、splice form D、thimble

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第2题

[单选题] Oil is supplied to the crosshead using a swinging arm or a （） and is sometimes boosted in pressure to and efficient lubrication.

A、telescopic pipe B、large bore pipe C、generating pipe D、central pipe

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第3题

[单选题] A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.

A、Azimuthal gnomonic projection B、Lambert conformal projection C、Transverse Mercator projection D、Polyconic projection

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第4题

[单选题] A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.

A、azimuthal gnomonic projection B、Lambert conformal projection C、transverse Mercator projection D、polyconic projection

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第5题

[单选题] A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.

A、azimuthal gnomonic projection B、Lambert conformal projection C、transverse Mercator projection D、polyconic projection

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第6题

[单选题] The （） engine is used for alternators and sometimes for main propulsion with a gearbox to provide a propeller of between 90 to 120 rpm.

A、four-stroke B、two-stroke C、slow speed D、reversible

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第7题

[单选题] Sometimes charter-party expressly prohibit the loading of dangerous goods，but sometimes a Charterer is entitled by an express term to load them provided that due notice is given （）.

A、to the master B、the charterer C、the merchant D、receiver

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第8题

[单选题] Sometimes charter-party expressly prohibit the loading of dangerous goods，but sometimes a Charterer is entitled by an express term to load them provided that due notice is given （）.

A、to the master B、the charterer C、the merchant D、receiver

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第9题

[单选题] The four-stroke engine is used for （） and sometimes for main propulsion with a gearbox to provide a propeller speed of between 90 to 120 rev/min.

A、alternator B、turbo-charger C、remote controller D、windlass

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