All of the Following Statements Are True EXCEPT

question 9

Multiple Choice

All of the following statements are true EXCEPT:

• A)correcting dynamic imbalance can result in the correction of force imbalance at the same time.
• B)primary vibrations are only about one-fourth of the strength of secondary vibrations but can become quite severe at the higher rpm at which four-cylinder engines quite often operate.
• C)computer balancers compute the combined amount of dynamic and force imbalance and tell where to remove metal to correct them.
• D)balance shafts are used to cancel out secondary vibration.