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单选题
One method of determining crankshaft misalignment is by（）
A
laying a straight edge across the crank webs at the crankpin and measuring the distance to the crankpin in two places
B
measuring the crank drop on either side of each crank throw while the crankshaft is slowly rotated through one revolution
C
rotating the crankshaft through one revolution, pausing each 90oof rotation to measure bearing clearances, top and bottom
D
taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation
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更多 “单选题One method of determining crankshaft misalignment is by（）A laying a straight edge across the crank webs at the crankpin and measuring the distance to the crankpin in two placesB measuring the crank drop on either side of each crank throw while the crankshaft is slowly rotated through one revolutionC rotating the crankshaft through one revolution, pausing each 90oof rotation to measure bearing clearances, top and bottomD taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation” 相关考题
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单选题The best method of determining if a vessel is dragging anchor is to note（）.A
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单选题Which statement is true？（）A
If only one thread is blocked in the wait method of an object， and another thread executes the modify on that same object， then the first thread immediately resumes execution.B
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考题
单选题Mooring lines should be turned end-for-end occasionally. This is because（）.A
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单选题Critical speed in diesel engines occurs when engine torque pulsations become （）A
opposed to the crankshaft rocking coupleB
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closely observe the pump discharge temperatureB
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radio communications that are availableB
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