Exam Question

(a) Make a detailed sketch of a non-portable 136-liter foam fire extinguisher. (4)

(b) Briefly explain how to operate it. (3)

(c) State the two constituents used, which enable stable foam to be produced (3)

(d) State for what approximate length of time, the extinguisher should generate foam. (3)

(e) Where on board ship would you expect such an extinguisher to be located? (3)