USCG USCG Motor
Set 5 • Question #241 of 382
Launch Interactive Practice Room The bearings used to support the crankshaft are generally called __________.
A
line shaft bearings
B
connecting rod bearings
C
main bearings
✓ Correct Answer
D
support bearings
USCG NMC Regulatory Explanation
Crankshaft deflection readings (measured between crankweb punch marks at bottom, port, top, and starboard) verify engine bedplate alignment, foundation chocking integrity, and main bearing wear.
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