Question

(a) Explain why centrifugal pumps cannot handle air or vapours to effect priming yet turbo-blowers operating on the same principle can.

(b) If a vessel is fully laden, how may it be ascertained that the fire pump priming arrangements would operate satisfactorily in the ballast condition.

(c) Explain a method of priming suitable for a centrifugal pump.

FEB 2020