As for turbine oil, contact with water in the form of steam will be inevitable so good （） properties will be essential...

第1题

[单选题] As for turbine oil, contacting with water in the form of steam will be inevitable so good （） properties will be essential.

A、defrosting B、de-oiling C、demulsifying D、dehumidifying

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第2题

[单选题] The separation of impurities and water from （） is essential for good combustion of diesel engines.

A、lube oil B、fuel oil C、turbine oil D、grease

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第3题

[单选题] The （）pump is usually used as the lubricating oil pump.

A、turbine B、screw C、vaneejector D、centrifugal

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第4题

[单选题] Which oil is not suitable for use as storm oil?（）

A、Fish oil B、Vegetable oil C、Mineral oil D、Animal oil

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第5题

[单选题] If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.

A、add fluid that is the same color as the fluid in the reservoir B、add turbine oil because it is always a good substitute C、add any oil that has the same viscosity as the hydraulic fluid D、check the winch manufacturers instruction book

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第6题

[单选题] For a generator engine, after passing through the turbine the exhaust gas may be conducted out into the （）.

A、intercooler B、open air C、oil fired boiler D、B and C

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第7题

[单选题] As for a diesel engine, lack of combustion air may be due to （）.

A、fouling turbine B、fuel pump faults C、lubrication failure D、excessive cooling

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第8题

[单选题] CO2 and Halon extinguishers are used for electrical fire, as well as （）fire.

A、common B、oil C、electrical D、chemical

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第9题

[] As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: （） (1) secure oil to fires (2) increase feed pump pressure As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: （） (1) secure oil to fires (2) increase feed pump pressure

A、A.（1） B、B.（1）and（2） C、C.（2） D、D.neither（1）nor（2）

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As for turbine oil, contact with water in the form of steam will be inevitable so good （） properties will be essential.

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