Homework Clinic
Hands-on Clinic => Skills and Trades => Topic started by: dakota nelson on Aug 13, 2021
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Question 1
Which of these is a primary cause of secondary vibration?
◦ Harmonic balancer
◦ Pistons
◦ Flexplate
◦ Connecting rod big ends
Question 2
Why does a 4-cylinder engine have very little, if any, primary vibration?
◦ Uses a splayed crankshaft
◦ Two cylinders fire at the same time, reducing the primary vibration
◦ Two pistons traveling upward at the same time two pistons are traveling downward
◦ Bore is small, reducing the primary vibration
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Answer 1
Pistons
Answer 2
Two pistons traveling upward at the same time two pistons are traveling downward
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thank you