2023年4月自考10012轮机英语(二)模拟试题及答案1

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2023年4月自考10012轮机英语(二)模拟试题及答案1

1、If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump _____.

A.capacity will increase

B. capacity will decrease

C. suction pressure will increase

D. suction pressure will decrease

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2、Bunkering shall be terminated if there is a .

A.severe electrical storm

B. fire on the pier

C. fire on the ship

D. any of the above

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3、Which of the following fuel oil characteristics establishes the danger point when transferring, pumping, and firing procedures are concerned?

A.Fire point

B. Flash point

C. Specific gravity

D. viscosity

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4、The two most common gases used in pneumatic system are ________.

A.compressed air and nitrogen

B. helium and nitrogen

C. oxygen and hydrogen

D. oxygen and acetylene

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5、Most large, low-speed, main propulsion diesel engines use duplex lube oil strainer to _____.

A.decrease the time required between cleanings

B. removes all large and small foreign objects

C. ensure a positive flow of oil at all times

D. ensure that all lube oil has been treated twice

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6、Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the .

A.double bottom fuel oil tank temperature

B. heater supply steam flow

C. pressure of the fuel supplied to the burners

D. attemperator steam flow in the heater discharge circuit

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7、Which of the following influences the position of the interface between the liquid seal and the oil in a purifier?

A.Height of the machine

B. Temperature of the liquid seal

C. Gravity disc

D. Bowl diameter

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8、During steering gear test should be moved through its full travel in both directions.

A.pump

B. the cylinder

C. the hunting gear

D. the rudder

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9、A(n)____ is the documentary attestation for the delivery of stores and spare parts.

A.informative note

B. consignment note

C. store booklet

D. maintenance book

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10、____ belongs to emergency power supplying equipments.

A.Emergency fire pump

B. Windlass

C. Main sea water pump

D. Fresh water pump

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11、The transmission system transmitting power from the engine to the propeller is composed of shafts, bearings, and_____ .

A.propeller

B. flying wheel

C. main engine

D. crankshaft

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12、The word "offset" most probably means .

A.predetermined value

B. measured value

C. off-limit

D. sustained deviation

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13、According to Annex I of MARPOL 73/78, the instantaneous discharging rate of the oily waste from cargo tanks of oil tankers must be lower than .

A.30 liters per nautical mile

B. 15 liters per nautical mile

C. 30 ppm

D. 15ppm

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14、The latest annex of MARPOL 73/78 is about .

A.the Prevention of Pollution by Oil

B. the Prevention of Pollution by Noxious Liquid Substances in Bulk

C. Prevention of Pollution by Garbage from Ships

D. Prevention of Air Pollution from Ships

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15、Which of the following about ISM Code is not right? .

A.It aims to ensure safety at sea

B. It aims to avoid damage to the environment

C. It aims to prevent human injury or loss of life

D. It aims to provide a method to run a company

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