CDL · Passenger vehicles
Which statement about a bus's emergency roof hatches is true while the bus is moving?
Correct answer: They may be locked partway open for ventilation.
Answer options
- AThey may be locked partway open for ventilation. Correct
- BThey must stay fully shut and latched at all times.
- CThey may be propped fully open to let in fresh air.
Why
A bus's emergency roof hatches can be latched partly open to bring in fresh air, but they are never to be left wide open; an open hatch also makes the bus taller, so watch your overhead clearance.
About this question
Topic: Passenger vehicles License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
Practice the whole set
This question is part of Bus Inspection and Safety Equipment (22 questions). Take the full set and check your score.
Practice Bus Inspection and Safety EquipmentMore questions from Bus Inspection and Safety Equipment
- May a bus be driven while one of its emergency exit windows is open?
- Instead of three reflective triangles, which warning devices may a bus carry to meet the emergency equipment rule?
- Which of these defects could get your bus placed out of service during a roadside inspection?
- What should you confirm when you inspect a bus's passenger seats?
- Which of these does NOT need to be checked during your pre-trip inspection?
- Which set of emergency equipment must a bus have on board?
- During your pre-trip check of the bus interior, what should you confirm to protect passengers?
- Recapped or regrooved tires are permitted on a bus:
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