What conditions must exhaust emissions system hoses meet during inspection?

During a vehicle safety inspection, it is crucial that exhaust emissions system hoses are in proper condition to ensure they effectively contain exhaust gases and prevent leaks. The correct answer emphasizes that these hoses should not be loose, broken, or leaking. This is essential for both vehicle performance and environmental protection, as any issues with the hoses can lead to harmful emissions escaping into the atmosphere. Properly functioning hoses help maintain the integrity of the exhaust system, which is designed to control emissions and ensure safety on the road.

The other options do not address the key requirements for exhaust emissions system hoses. For instance, it is not sufficient if they are merely slightly loose, as this can compromise their function and lead to leaks. The idea that they must be new and shiny is also misleading because the material and function of the hoses matter more than their appearance. Lastly, requiring that all hoses be black in color overlooks the fact that hoses can come in various colors and still be fully functional, as long as they meet the standards of integrity outlined in the inspection criteria.