ANSWERS:
A) Stop as quickly and safely as possible on the hard shoulder
A) Isolate or disconnect the electrical supply
A) Contact the emergency services
A) Identify the correct extinguisher to use on the electrical system - CO2 Powder
ANSWERS:
A) Physical check of the air system ensuring air lines are serviceable
A) Emptying the air tanks by pumping the footbrake
A) Restarting the engine and charging the system
B) Stop the engine and listen for leaks/wedge footbrake or ask third party to assist