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Flashcards in 3-5 questions Deck (19):
1

What is the maximum distance a load may extend out from the side of the body of a trailer before an overdimensional flag is required?


A warning flag, such as these ones shown, must be attached if the load is more than 200mm wider than the vehicle.

2

From what distance must the rear red light of a heavy goods service vehicle be visible? (note: not an over-dimension load)

100m

3

What is the maximum width permitted for a heavy trailer (other than an agricultural trailer) from its longitudinal centre line?

1.25

4

What is the lowest class of licence required to drive a combination vehicle that has a gross combined weight of 14,000kg?

Drivers with a class 3 licence can drive combination vehicles from 12,000-25,000kg. Don't get confused with the ability for a class 2 licence holder to drive a combination vehicle with a GLW (gross laden weight) of up to 18,000kg, e.g. a rigid vehicle pulling a light trailer. GLW is different to GCW (gross combined weight).

5

Where on a heavy trailer should a warrant or certificate of fitness be displayed? Check all that apply.

A WoF or CoF should be displayed either at the rear of the trailer near the registration plate or on the right-hand side near the back of the trailer

6

You see this sign, but you are travelling in a heavy motor vehicle pulling two semi-trailers. What is the maximum speed you can travel in this area?
*******50*******


Correct. You can travel at the stated limit here because you will not exceed the absolute limit of 90kph for a heavy motor vehicle.

7

During the hours of darkness, when the load you are carrying is up to 1 metre wide and extends from the rear of the vehicle by more than 1 metre, what warning devices are required?


There are different lighting requirements depending on the characteristics of the load. In this case, you would need one red light positioned at the rear and centre of the load, facing rearwards.

8

What is the maximum forward distance for a heavy motor vehicle with a tow coupling?


Correct. With a tow coupling, the maximum distance is 8.5m; without a tow coupling heavy rigid vehicles can have a 9.5m forward distance.

9

What is the maximum overall length for a truck and semi-trailer combination including its load?


The maximum overall length for a rigid vehicle and semi-trailer combination (including load, but excluding collapsible mirrors) is 19m. If it was with a trailer, it would be 20m.

10

From what distance must the rear red light of a heavy goods service vehicle be visible? (note: not an over-dimension load)

Heavy motor vehicles and vehicles fitted with a flat deck or tray for carrying goods that are parked on the street at night must display a rear-facing red light that is visible at least 100m away and is on the side of the vehicle closest to the centre line

11

For a heavy full trailer, the maximum rear overhang including its load is the lesser of:


For a heavy full trailer it is 4m or 50% of the wheelbase.

12

What is the forward distance of a full trailer (other than a pole trailer), the front axle of which is steered by a towbar?

The distance from the rear axis to the front of the trailer (excluding any drawbars and/or the front axle set)

13

What is the maximum overall length for any heavy motor vehicle towing two trailers and including their load?

The maximum overall length for any standard heavy motor vehicle towing two trailers is 20m. This length applies whether it's an A-train, B-train or pole trailer. However, bear in mind that there are oversized loads, high productivity motor vehicles (23m long), logging trucks with 2m overhangs (total 22m) and that a truck with a simple trailer can be 22m long

14

Where must the road user charges licence for a heavy trailer be displayed?

The RUC may be displayed inside the windscreen on the passenger's side, or on the front left side of the trailer.

15

What is the maximum permitted forward distance of a semi-trailer?

For a semi-trailer, forward distance means the distance from the rear axis to the centre of the kingpin. The maximum is 9.2 metres

16

What class of licence is required to drive a combination vehicle that has a gross combined weight of 25,500kg?

Drivers with a class 5 licence can drive combination vehicles of more than 25,000kg.

17

Between which points is the forward distance of a semi-trailer measured?

The distance between the rear axis of the semi-trailer to the centre of the kingpin

18

What is the maximum distance a load may extend behind the body of a trailer before an overdimensional flag is required?

If a load extends more than 1m behind the vehicle attach an overdimensional flag to the end of the load. At night the flag must be replaced by one or more lights, depending on the characteristics of the load

19

What is the maximum speed limit for a heavy motor vehicle towing a semi-trailer or semi-trailers?

90kph