Exam Question

With reference to shaft alignment: (16)

(a) Explain the meaning of fair curve or rational alignment

(b) Shaft alignment is often verified using hydraulic jacks to obtain a simple graph. Sketch such a graph, indicating the following:

(i) Static load

(ii) Hysteresis

(iii) Influence number

(c) Explain the limitations of checking shaft alignment solely by hydraulic jacking methods