Q4. With reference to shaft alignment:
(a) Explain the meaning of fair curve or rational alignment. (8)
(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. (8)
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