Exam Question

With reference to Main engine crankshafts:

(a) Explain the term axial vibration (4)

(b) Describe, with the aid of a sketch, how axial vibration may be minimized (6)

(c) State with reasons which bearing would be most at risk due to the effects of axial vibration (3)

(d) Describe how damage to the bearing stated in part (c) may be repaired. (3)