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Quiz 7A - Week 3

Authored by John Wee Encabo

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Quiz 7A - Week 3
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. The center of gravity (G) is where:

  • Ship’s cargo force acts downward

  • Wind pressure acts on the hull

  • Total weight acts vertically down

  • Buoyancy force acts upward

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. When weights are secured, G will:

  • Remain fixed as ship heels

  • Move due to pitch motion

  • Shift toward the weather side

  • Oscillate with rudder force

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. Which force always acts downward?

  • Wind acting on superstructure

  • Lateral pressure on the hull

  • Ship’s total weight force (Wf)

  • Thrust from the ship’s propeller

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. G will move when a weight is:

  • Removed from the ballast tank

  • Shifted from one place to another

  • Balanced at the same location

  • Immersed below the waterline

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. What must be calculated if G moves?

  • Shift of G using displacement

  • GM based on draft reading

  • Righting moment and GZ curve

  • LCB relative to waterplane area

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. Which does NOT shift G directly?

  • Weight loaded on the centerline

  • Ballast shifted inside one tank

  • Cargo moved from bow to stern

  • Items shifted above deck level

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. The key factor in ship’s stability is:

  • Trim condition of the vessel

  • Position of center of gravity

  • Vertical movement of metacenter

  • Buoyancy force from stern wedge

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