Hotel Service Unit 16 Q1 Quiz

hotel service unit 16 Q1

1 / 7

Which factor is a consideration when choosing bilge keels over fin stabilizers for a vessel?

B) Cost and maintenance requirements

D) Noise reduction capabilities

C) Compatibility with sonar systems

A) Speed of vessel

2 / 7

Why are bilge keels usually located at the bilge of the vessel?

C) To enhance stability by increasing resistance to roll at the vessel's widest point

B) To improve water circulation around the hull

A) To reduce drag along the keel

D) To make them easier to remove for repairs

3 / 7

How are bilge keels typically attached to a vessel’s hull?

C) By using adhesive materials

A) By bolting them on at various points

B) By welding along their entire length to the hull

D) By attaching with removable clamps

4 / 7

What is the main reason for positioning bilge keels along the longitudinal length of the hull?

A) To increase the vessel’s speed

D) To reduce structural stress in the bow

C) To provide maximum resistance to rolling motions across the beam

B) To minimize interference with propulsion systems

5 / 7

Which of the following is a disadvantage of bilge keels?

B) They increase fuel efficiency

D) They require frequent maintenance

A) They add significant buoyancy to the hull

C) They are less effective at stabilizing than fin stabilizers

6 / 7

What is one primary advantage of bilge keels compared to active stabilization methods?

D) They have a high installation cost

B) They increase vessel speed

C) They are removable

A) They require no power to operate

7 / 7

How do bilge keels compare to other stabilization methods in terms of maintenance needs?

B) They are generally maintenance-free

D) They wear out faster than fin stabilizers

C) They need frequent adjustments

A) They require regular lubrication

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