Which of following procedures is allowed at the endurance event? A: Conditions change from damp to dry: A team interrupts their first stint to changes from wet tires with a tread depth of 2.6mm to dry tires. B: Conditions change from wet to damp: A team interrupts their first stint to changes from wet tires with a tread depth of 2.2mm to dry tires. C: Conditions change from wet to dry: A team changes from wet tires with a tread depth of 2.5mm to dry tires during the driver change. D: Conditions change from dry to damp: A team changes from dry tires to wet tires with a tread depth of 2.4mm during the driver change.

1. a and dCorrect
2. c and d
3. b only
4. c only
5. b and d
6. a and b
7. d only