Exam Question

(a) Give the approximate composition and the properties of the following metals:

(i) Manganese bronze,

(ii) Cupro-nickel,

(iii) Babbitts metal.

In each case give two examples of the metals in use on board ship and explain why the metal is chosen for the applications you mention. (8)

(b) Explain the difference between "strength" and "stiffness" of steel. Discuss the importance of these properties in shipboard structural members and machinery components. (8)