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【单选题】

When the bearing becomes dry from lack of oil, the motor shaft may heat to （）an extent （） it welds itself to the bearing.

A、either；or

B、neither；nor

C、such；that

D、so；that

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更多“When the bearing becomes dry from lack of oil, the motor shaft may heat to （）an extent （） it welds itself to the bearing.”相关的问题
第1题
[单选题] An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes?（）.

A、Their bearing is almost constant，even when the true bearing of the contact changes appreciably  B、They always appear on a bearing of 90°from the true bearing of the contact  C、The indirect echoes usually appear in shadow sectors  D、When plotted，their movements are usually abnormal  

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第2题
[] An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes? （）

A、A.Their bearing is almost constant，even when the true bearing of the contact changes appreciably  B、B.They always appear on a bearing of 90°From the true bearing of the contact  C、C.The indirect echoes usually appear in shadow sectors  D、D.When plotted，their movements are usually abnormal  

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第3题
[单选题] You have calibrated your RDF. When compiling the calibration table，the correction to be applied to any future RDF bearings is listed against the（）.

A、true bearing of the transmitter  B、relative bearing of the transmitter  C、heading of the vessel  D、time of reception  

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第4题
[单选题] Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?（）

A、Decreased connecting rod bearing clearance  B、Increased connecting rod bearing clearance  C、Decreased compression ratio  D、Increased compression ratio  

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第5题
[单选题] The ARPA may swap targets when automatically tracking if two targets（）.

A、are tracked on reciprocal bearings  B、are tracked at the same range  C、are tracked on the same bearing  D、pass close together  

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第6题
[单选题] When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.

A、the meridian through the object of the bearing  B、the meridian through the ship's position  C、the meridian midway between the ship and the object  D、any meridian  

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第7题
[单选题] The ARPA may swap targets when automatically tracking if two targets（）

A、are tracked on reciprocal bearings  B、are tracked at the same range  C、are tracked on the same bearing  D、pass closely to each other  

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第8题
[单选题] When shall the stand-on vessel in a crossing situation take action to avoid the other vessel（）.

A、When a risk of collision exists  B、When action by the give-way vessel alone will not prevent a collision  C、When the bearing to give-way vessel becomes steady  D、When the vessels become less than 1/2 mile apart  

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第9题
[单选题] The design of （） is similar to that of the main bearing.

A、the block bearing  B、the camshaft bearing  C、the connecting rod small end bearing  D、the connecting rod large end bearing  

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