Which characteristic is true of mountain rescue ropes?

Mountain rescue ropes are designed not only for strength but also for versatility in practical applications. They need to have high tensile strength to effectively support the weight of climbers, rescue personnel, and any additional gear when responding to emergencies in mountainous terrains. Additionally, it is crucial for these ropes to be easy to manipulate, allowing rescuers to tie knots quickly and effectively. The ability to tie secure knots is vital in rescue scenarios, as it contributes to the safety and reliability of the equipment being used.

Options suggesting heavy regulation by national organizations may not accurately reflect the variability in standards and practices across different regions. A low breaking strength of around 15 kN would not be suitable for mountain rescue operations, as many modern rescue ropes are rated significantly higher. While larger diameter ropes can offer increased strength and durability, using only large diameter ropes does not account for the range of applications and dynamics involved in different rescue scenarios where smaller ropes may also be utilized effectively.