Aux 2 Unit 16 Quiz 5

Aux 2 Unit 16 Q5

1 / 6

What is the role of the keel in resisting longitudinal stress?

B) It provides a smooth surface for the ship’s bottom

A) It helps reduce vibration from the engine

D) It is used to store ballast water

C) It acts as the backbone of the vessel, resisting bending forces along the hull

2 / 6

What is the primary cause of longitudinal stress in a vessel’s hull?

C) The vibration from the engine

B) The vessel's own weight and the distribution of buoyant forces along the length of the hull

A) Temperature changes in the cargo

D) Wind pressure on the superstructure

3 / 6

Which part of the vessel’s structure contributes to both longitudinal strength and watertight integrity?

A) The mast

C) Longitudinal bulkheads

D) The anchor windlass

B) Transverse bulkheads

4 / 6

Where is longitudinal stress most likely to be at its maximum on a vessel?

B) The midship section

D) The engine room

A) The bow and stern only

C) The deckhouse

5 / 6

In which scenario would a vessel experience significant longitudinal stress?

B) When it is evenly supported in calm, still water

C) When the bow and stern are supported by wave crests with the midship section unsupported

D) During light winds while anchored

A) When it is in drydock

6 / 6

Which of the following structures primarily resists longitudinal stress in a vessel?

D) The lifeboat davits

A) The rudder and propeller

C) The mooring lines

B) The ship’s longitudinal girders and deck plating

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