Why does a 4-cylinder engine have very little, if any, primary vibration?
A) Uses a splayed crankshaft
B) Bore is small, reducing the primary vibration
C) Two pistons traveling upward at the same time two pistons are traveling downward
D) Two cylinders fire at the same time, reducing the primary vibration
Correct Answer:
Verified
Q15: The crankshaft journals have been turned. What
Q16: Technician A says that most crankshafts can
Q17: Technician A says that many bearings also
Q18: Technician A says balance shafts are used
Q19: Technician A says primary vibration is created
Q20: Which of these causes primary vibration?
A)Pistons
B)Flywheel
C)Harmonic balancer
D)Flexplate
Q22: Which of these is a primary cause
Q23: A balance shaft used in a 90-degree
Q24: In _ engines, the cam bearings are
Q25: Which one of these is a thrust
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