According to the FS Rules and the competition handbook: Which statements are true?

1. All vehicles must be equipped with a brake system plausibility deviceCorrect
2. Critical fasteners must not be shortened
3. All signal failures of system critical signals must result in an opened shutdown circuit
4. The tilt test simulates a lateral accelaration of 1.6g (rounded to one decimal place)
5. A black flag shows a disqualification to the driver
6. Each driver may drive up to two dynamic eventsCorrect