In extreme weather conditions, either hot or cold, control of the air conditioning plant presents （） difficulties.

A、few

B、little

C、a little

D、less

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更多“In extreme weather conditions, either hot or cold, control of the air conditioning plant presents （） difficulties.”相关的问题

第1题

[] “In times of heavy weather, it is extremely dangerous if manning is very short” This sentence means （）.

A、A.In times of heavy weather, it is extremely dangerous if a seaman is not enough tall B、B.In times of heavy weather, it is extremely dangerous if a crew is very short C、C.In case of bad weather, it is particularly dangerous if there is a shortage in personnel D、D.In case of bad weather, it is particularly dangerous if there are enough personnel

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第2题

[单选题] Cold weather starting of a diesel engine is more difficult than warm weather starting due to（）

A、use of low viscosity oil in cold weather B、increased moisture content of inlet air in cold weather C、increased drag of pistons and bearings due to increased oil viscosity D、higher compression pressures reached due to smaller clearances existing in the engine during cold weather

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第3题

[单选题] A slow rise in the barometric pressure forecasts（）.

A、rainy weather for the next 48 hours B、high seas C、improving weather conditions D、deteriorating weather conditions

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第4题

[单选题] Complete information on weather broadcasts throughout the world is contained in（）.

A、Selected Worldwide Marine Weather Broadcasts B、your local newspaper C、the Notice to Mariners D、the daily weather map

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第5题

[单选题] Weather observations provided by each weather station include all of the following except（）.

A、temperature B、visibility C、predicted weather for the next twelve hours D、barometric pressure and change in the last three hours

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第6题

[单选题] Little or no change in the barometric reading over a twelve hour period indicates（）.

A、stormy weather is imminent B、that present weather conditions will continue C、a defect in the barometer D、increasing wind strength

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第7题

[单选题] Although lube oils used in the main lubricating service systems should have a relatively high flash point to avoid ignition, they can create smoke and fire hazards when they（）

A、are exposed to a vacuum B、come in contact with extremely hot surfaces C、are reduced in temperature to just above the pour point D、become extremely agitated or aerated