SS Majestic in dry dock in Southampton for repairs and repainting

SS Majestic in dry dock in Southampton for repairs and repainting

Assessment

Interactive Video

Chemistry, Science

University

Hard

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The video discusses the necessity of paint drying underwater before a boat departs, due to the harsh conditions of the Atlantic Ocean. It highlights how the relentless churning of the ocean wears down massive propellers, necessitating their replacement after two years. The video also examines the chemical effects of seawater on phosphor bronze propellers, which become pitted beyond repair.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What can be observed on the giant phosphor bronze propeller?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the condition of the propeller after two years of use?

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