Class 2 (2nd Engineer) MEKG 📅 Jun 2023

Exam Question

With regards to main transmission shaft flange coupling arrangements:

(a) Sketch a hollow type coupling bolt and the hydraulic head/nut and loading rod which are used to fit it. (6)

(b) Describe how the bolt is fitted. (5)

Reference Answer

### (a) Sketch of Hollow Coupling Bolt and Hydraulic Fitting Tools
A detailed cross-sectional sketch is required, illustrating the following components clearly labelled:
1. **Hollow Coupling Bolt**: Showing the central bore, the bolt head, the shank (body), and the threaded section.
2. **Flange Couplings**: Two shaft flanges shown mated together, with the reamed bolt hole aligned.

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