Correct answer
That the tyre's load capacity is different, depending on the type of fitting used (single or twin).
The fact that the two numbers are different indicates that the tyre's load capacity differs. For a tyre's load capacity index there is a table relating the indices to their equivalent load capacities, with the higher number corresponding to single fitting and the lower number corresponding to twin fitting. When a tyre has load capacity indices for both single and twin fitting, the reference load for single fitting shall be used as the basis for test loads.
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That the utilisation index varies depending on whether the tyre is fitted to the front axle or the rear axle.
That the load capacity varies depending on whether it is fitted to a fixed axle or a lifting axle.
That the tyre's load capacity is different, depending on the type of fitting used (single or twin).
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