Which of the following are types of coolant hoses?

Coolant hoses are essential components in automotive and industrial applications, designed to transport coolant fluids under pressure and temperature variations. The correct answer identifies types of coolant hoses that highlight their structural characteristics and functional properties.

Straight hoses are commonly used for straightforward connections between components. Wire-reinforced hoses incorporate internal reinforcement that provides additional strength, protecting against collapsing under vacuum or pressure and enhancing durability. Flexible hoses are designed to accommodate movements and vibrations within the system, making them vital in maintaining consistent fluid flow without leaks.

These characteristics are crucial in applications where coolant transport is necessary, enabling the cooling system to function effectively and prevent overheating. The presence of wire and flexibility demonstrates the hoses' capabilities to handle different operational stresses, aligning well with their intended purpose in a cooling system.

Other options present alternatives that do not accurately reflect common design and material types typically found in coolant hoses, leading to less relevance concerning their construction and function.