When driving a bus, the emergency roof hatches:
a) Must always be completely closed and locked while the bus is moving
b) May be locked in a partially open position for fresh air
c) May be left in a closed but unlocked position
Answer: b) May be locked in a partially open position for fresh air
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.