Statement (I): Liquid-cooled engines can vary the size of their passageways through the engine block, so that coolant flow may be tailored to the needs of each area. Locations with either high peak temperatures (narrow islands around the combustion chamber) or high heat flow (around exhaust ports) may require generous cooling. This reduces the occurrence of hot spots.Statement (II): Air-cooled engines may also vary their cooling capacity by using more closely spaced cooling fins in that area, but this can make their manufacture difficult and expensive.

• A. Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (1)
• B. Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (1)
• C. Statement (I) is true but Statement (II) false
• D. Statement (I) is false but Statement (II) is true