Why are fuel lines protected with a fire protection sleeve?

Why are fuel lines protected with a fire protection sleeve?

• A. To improve thermal conduction
• B. To reduce weight
• C. To increase fuel capacity
• D. To protect from fire and abrasion

Answer: (D)

Fuel lines pass through areas where heat and rubbing can damage them, so a fire protection sleeve acts as a protective barrier. It resists high temperatures and shields the line from heat exposure during a fire, helping prevent fuel from reaching ignition or leaking due to heat damage. It also guards against abrasion from vibration, brackets, and nearby components, reducing wear that could cause leaks. This protection is about safety from fire and physical wear, not about improving heat conduction, reducing weight, or increasing fuel capacity.

Fuel lines pass through areas where heat and rubbing can damage them, so a fire protection sleeve acts as a protective barrier. It resists high temperatures and shields the line from heat exposure during a fire, helping prevent fuel from reaching ignition or leaking due to heat damage. It also guards against abrasion from vibration, brackets, and nearby components, reducing wear that could cause leaks. This protection is about safety from fire and physical wear, not about improving heat conduction, reducing weight, or increasing fuel capacity.