英译汉：bearing

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• Bearing knocks are likely to occur from （）.

  A . less clearance B . dirty lube oil C . overload D . bearing wear

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• The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the （） caused by the friction at the bearings.

  A . acids B . additives C . heat D . gear

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• Water lubricated tailshaft bearings wear,（）

  A . the after one is more than forward one B . the forward one is more than after one C . the forward one is the same with after one D . it depends on the type of engine

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• The bearings used to support the crankshaft are generally called （）

  A . line shaft bearings B . connecting rod beatings C . main bearings D . support bearing

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• At 1810，a red buoy bears 010° relative. This buoy marks（）.

  A . the side of York Spit Channel B . the visibility limit of the red sector of Cape Henry Light C . a submerged obstruction in York Spit Channel D . the York River Entrance Channel

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• What type of stern tube bearing has the least friction（）.

  A . Oil-lubricated bearings B . Lignum vitae C . Hard rubber D . Bronze bushing

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• Worn main bearings in a diesel engine can result in （）

  A . decreased compression pressure B . increased lube oil pressure C . lower lube oil temperature D . excessive leakage past the piston ring

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• While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface you would, therefore, suspect that （）

  A . the bearing had been overheated B . water was present in the oil C . the lube oil was not being properly filtered D . the maximum allowable bearing pressure had been exceeded

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• At 0630 you increase speed to 12.0 knots. At 0645 Race Rock Light bears 294°pgc. At 0700 Race Rock Light bears 293°pgc. Based on this，you should（）.

  A . alter course to port B . maintain course and speed C . alter course to starboard D . maintain course and reduce speed

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• 英译中：Bear market

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• Diesel engine main and connecting rod precision bearings are made in halvesEach half exceeds one-half the bearing circumference by a small amountThe small amount is termed （）.

  A . clearance B . crush C . pitch D . thrust

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• The main bearing metal is a lining （）.

  A . inside the bearing B . outside the bearing C . covering the crankshaft D . none of the above

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• Which of the listed bearing types is an example of a solid bearing?（）

  A . Piston wrist pin bushing B . turbine bearing C . Spring bearing D . Diesel engine main bearing

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• （EMB145）信息“GEN 1（2，3，4）BEARING FAIL”表示（）

  A . 相关的发电机必须马上更换 B . 可等下次A检时更换相应的轴承 C . 在更换相关的发电机前飞机还能飞20小时

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• What is the function of the thrust bearing?（）

  A . Prevents lateral movement of the slow speed gear B . Transmits propeller thrust to the hull C . Keeps spring bearings in line D . Prevents main reduction gear axial movement

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• （） clearances in the main or crank pin bearings will sometimes be indicated by loss of pressure in the lubricating system before any bearing knock is heard.

  A . Too larger B . Too smaller C . Excess D . Excessive

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• The ship’s bearing is 145°（）the Lighthouse.

  A . in B . on C . for D . from

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• Precision engine bearing inserts are manufactured with a small portion of the bearing ends extending beyond the bearing housing or capsThe installation process of these bearings requires sufficient （）.

  A . overlap B . crush C . lap or lead D . protrusio

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• In order to improve the working conditions of the crosshead bearings, the bearing pressure is made and the peripheral speed is made in later designs（）

  A . smaller, higher B . higher, smaller C . smaller, smaller D . higher, higher

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• bear

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• What are the characteristics of a bear market?

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• How is the future of polar bears?

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• bearing n.

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• bearing 【'bєәriŋ】 n（）

  A．风度 B．熊 C．忍耐力 此题为多项选择题。

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