Aux 2 Unit 16 Quiz 9

Aux 2 Unit 16 Q9

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Which of the following can contribute to vibration due to hydrodynamic forces?

B) Water flow around the hull and propeller cavitation

D) The use of anti-corrosion coatings

C) Solar heating of the deck

A) Cargo movement in calm water

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What is one method to reduce vibration caused by machinery on a vessel?

D) Removing the propeller blades

C) Reducing the use of anti-corrosion paint

B) Using vibration dampeners or isolators on machinery

A) Increasing the load on the engines

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What is one possible effect of excessive vibration on a vessel?

C) Stabilization of cargo

B) Structural fatigue leading to potential cracks

D) Increased communication signals

A) Enhanced fuel efficiency

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Which of the following is NOT an effect of severe vibration on a vessel?

B) Improved passenger comfort

D) Increased wear on structural joints

C) Damage to machinery

A) Noise pollution

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What is one common cause of vibration in a vessel?

C) Stationary loading conditions

D) Calm sea state

A) Constant wind pressure

B) Machinery operation, such as engines and propellers

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How can propeller cavitation be reduced to lower vibration levels on a vessel?

D) Installing larger fuel tanks

A) Operating the propeller at maximum RPM at all times

C) Reducing the vessel’s speed significantly

B) Ensuring the propeller design is optimized for the vessel’s operating conditions

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