Aux 2 Unit 16 Quiz 9

Aux 2 Unit 16 Q9

1 / 6

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

D) The use of anti-corrosion coatings

A) Cargo movement in calm water

C) Solar heating of the deck

B) Water flow around the hull and propeller cavitation

2 / 6

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

B) Structural fatigue leading to potential cracks

A) Enhanced fuel efficiency

C) Stabilization of cargo

D) Increased communication signals

3 / 6

What is one common cause of vibration in a vessel?

C) Stationary loading conditions

B) Machinery operation, such as engines and propellers

A) Constant wind pressure

D) Calm sea state

4 / 6

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

A) Noise pollution

C) Damage to machinery

B) Improved passenger comfort

D) Increased wear on structural joints

5 / 6

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

D) Installing larger fuel tanks

C) Reducing the vessel’s speed significantly

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

A) Operating the propeller at maximum RPM at all times

6 / 6

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

A) Increasing the load on the engines

C) Reducing the use of anti-corrosion paint

B) Using vibration dampeners or isolators on machinery

D) Removing the propeller blades

Your score is