One method of determining crankshaft misalignment is by（）<br>A:laying a straight edge across the crank webs at the crankpin and measuring the distance to the crankpin in two places<br>B:measuring the crank drop on either side of each crank throw while the crankshaft is slowly rotated through one revolution<br>C:rotating the crankshaft through one revolution, pausing each 90oof rotation to measure bearing clearances, top and bottom<br>D:taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation

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

出自：海船船员证

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