The crankshaft is supported in the engine block by the ________.
A) Flywheel B) Main bearings C) Thrust plates D) Rod bearings
Question 2
Technician A says primary vibration is created by the slight differences in the inertia of the pistons between top dead center and bottom dead center. Technician B says secondary vibration is a strong low-frequency vibration caused by the movement of the piston traveling up and down in the cylinder. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
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