What percentage of global trade is supported by shipping?

• 50%

• 75%

• 90%

• 100%

What is a primary challenge for ships during their journey?

• High fuel costs

• Weather conditions

• Cargo weight

• Crew training

Marine engineering considers different factors than which other types of engineering?

• Land and air engineering

• Chemical engineering

• Electrical engineering

• Civil engineering

What is the first goal in marine engineering?

• To make a ship faster

• To make something watertight

• To reduce fuel consumption

• To improve aesthetics

Which material is commonly used for constructing the hull of a ship?

• Plastic

• Wood

• Concrete

• Metals

What problem does corrosion cause for marine structures?

• It enhances their strength

• It makes them more buoyant

• It weakens them over time

• It changes their color

What does fouling refer to in marine engineering?

• The process of cleaning ships

• The growth of sea life on the hull

• The design of ship propellers

• The way ships are powered

What innovative solution do engineers use to combat corrosion?

• Increasing metal thickness

• Using sacrificial anodes

• Changing ship colors

• Reducing ship size

What is cavitation in relation to ship propellers?

• A method of propulsion

• A type of underwater plant

• The creation of tiny steam bubbles

• A type of corrosion

How do marine engineers build large ships?

• In a dry dock

• In the open ocean

• In regular factories

• On land with trucks