DTT HGV Passenger Safety and Air Brakes 3

Question 1

When driving a bus, how should you manage passenger safety at a bus stop?

Accepted Answer

Come to a complete stop, wait until all passengers are seated or holding before moving, and check mirrors before pulling away

Answer

At every stop, wait until the doors are closed and all passengers are safely seated or holding a support rail before moving. Check mirrors for passengers who may still be near the bus before pulling away.

Question 2

What is the legal requirement for seat belts on coaches (express buses) in Ireland?

Accepted Answer

All seats on coaches must have seat belts and all passengers must wear them — the driver must ensure compliance

Answer

Coaches (long-distance buses) must have seat belts at all passenger seats. Passengers must wear them. The driver must ensure seat belts are available and make an announcement reminding passengers to buckle up.

Question 3

What is the purpose of a retarder on a large truck or bus?

Accepted Answer

A secondary braking system (exhaust, hydraulic, or electromagnetic) that slows the vehicle without using the service brakes — reduces brake wear and fade risk

Answer

Retarders provide additional braking effect through engine or driveline resistance (exhaust retarder), electromagnetic resistance (electromagnetic retarder), or hydraulic resistance. They reduce service brake wear and heat on descents.

Question 4

What action must a bus driver take before closing the doors and moving off from a bus stop?

Accepted Answer

Check all mirrors and side cameras to ensure no passenger or pedestrian is in a dangerous position near the bus

Answer

Before moving off, use all mirrors and any CCTV cameras to check the full perimeter of the bus — particularly the nearside for passengers who may have been left behind and are approaching the bus.

Question 5

How should a bus driver handle the bus when negotiating a sharp corner?

Accepted Answer

Slow to a safe speed before the corner, use a wider turning radius where permitted, and be aware of rear overhang sweeping into the opposite lane

Answer

Buses have a long wheelbase and significant rear overhang. When turning, the rear of the bus swings outward beyond the front's path. Drivers must allow extra width and warn other road users when making tight turns.

Irish DTT Truck/Bus Practice Test

Irish DTT Truck/Bus Practice Test

DTT HGV Passenger Safety and Air Brakes 3