With reference to main thrust block arrangements: (a) Explain how the tilting pads assist in the formation of an oil wedge; (2) (b) Describe the actions that may be taken if upon inspection the pads are found to be: (i) Lightly scored; (2) (ii) Wiped; (2) (c) Explain how the thrust clearance may be measured, stating a typical value; (2) (d) State the possible effects if the thrust clearance is incorrect. (2)
Propeller, shafting & thrusters

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