14. Which tool is designed to save the lives of on board people in case of emergency at sea? (A) Electric equipment (B) Lifeboat (C) Bilge pump (D) Hatch

16. The major part of structure of the engine is a box structure made of cast iron employing the double wall system which integrally cast the cam case, charge manifold, main oil and main cooling water. Which one is it? (A) Cylinder block (B) Crankshaft (C) Camshaft (D) Connecting rod