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名词解释题
英译汉：bearing
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更多 “名词解释题英译汉：bearing” 相关考题
考题
A compass card without north-seeking capability that is used for relative bearings is a（n）______．A.Bearing circleB.PelorusC.Bearing barD.Alidade
考题
单选题As to the bearing, of the following, which statement is not true?（）A
ff overheat is found, the engine must be stopped for inspectionB
Much heat of the crankcase door indicates that the bearing is overheatedC
If bearing clearance is too large, knocking will be heard in the crankcaseD
If bearing clearance is too large or too small, the white metal may be melted
考题
单选题In the management of the shafting, because（） carry heavy load and caused high temperature easily, it should be paid attention.A
the bearing near to the diesel engineB
the intermediate bearing near to the thrust bearingC
the intermediate bearing near to the sterntubeD
the bearing located at the middle of the diesel engine and the sterntube
考题
单选题Shims of different thicknesses are inserted between the shells to enable adjustment of （）.A
the bearing clearancesB
the bearing thicknessC
the bearing strengthD
the bridge hardness
考题
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 clearanceB
Increased connecting rod bearing clearanceC
Decreased compression ratioD
Increased compression ratio
考题
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 appreciablyB
They always appear on a bearing of 90°from the true bearing of the contactC
The indirect echoes usually appear in shadow sectorsD
When plotted，their movements are usually abnormal
考题
单选题The main bearing shells are made of steel with a lining of bearing metal which may be white metal, copper-lead or aluminum-tin alloy What is the meaning of “which” in the sentence above?（）A
main bearing shellsB
main bearingC
steelD
bearing metal
考题
单选题The insertion of shims between the foot of a marine type connecting rod and a bearing box would result in （）A
increased compression ratioB
decreased compression ratioC
increased bearing clearanceD
decreased bearing clearance
考题
单选题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 overheatedB
water was present in the oilC
the lube oil was not being properly filteredD
the maximum allowable bearing pressure had been exceeded
考题
单选题Lubricating oil used in a diesel engine serves to（）A
reduce the wear of bearing surfacesB
cool the bearing surfacesC
assist in sealing bearing surfacesD
all of the above
考题
单选题Which of the following radar contacts will present the most immediate danger?（）.A
A vessel on the starboard bow whose bearing is changing and range is decreasingB
A vessel on the starboard bow whose bearing is steady and range is increasingC
A vessel on the port bow whose bearing is steady and range is decreasingD
A vessel on the port bow whose bearing is changing to the left and range decreasing
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