TECHNICAL ISSUES CONCERNING ROAD SAFETY
YOUR VEHICLE'S HEADLIGHTS
|What effect would a broken lens have
on your headlights?
It could cause distortion to the beam,
and reduce the light.
|How regularly should
you have your vehicle's lights checked up?
On a weekly basis.
|What effect could incorrectly focused
headlights have on other road users?
They could dazzle oncoming vehicles.
|What would happen if
your headlights were incorrectly aimed?
The beam of your headlights wouldn't properly
illuminate the road ahead.
|Why is it essential to ensure that
your vehicle's headlights are properly focused?
So that you are able to see properly.
YOUR BRAKE LIGHTS
|If you are going down
through the gears to slow down, what effect does this have on
your brake lights?
It has absolutely no effect on them.
|How would you determine whether a
brake light was working or not?
You would press on the brake pedal while
an assistant checks whether the lights are coming on from behind.
|If a side-lamp bulb failed, how would
You would switch on the side-lights and
check if they are lighting.
|When should you drive
with the side-lights on?
At twilight, when the daylight is fading
from the skies.
WARNING LIGHTS ON YOUR VEHICLE
|During lighting up
hours, what lighting should be on a tractor trailer?
It should have rear red tail lights, red
reflectors, brake lights, indicators and a rear number plate
|A car-trailer should have what lighting
It should have rear brake lights, rear
tail lights, rear red reflectors, indicators and a rear number-plate
|At what other times
should you use your vehicle's hazard warning lights?
If you have broken down, you should turn
|Under what circumstances should you
use your hazard warning light?
If your vehicle is causing an obstruction
on the roadway, that can't be avoided.
|Do the hazard warning
lights in your vehicle have an effect on the brake-lights?
|What should you do if a red warning
light appears on the dashboard while you're driving along?
You should stop when it's safe, and check
out the problem further.
|What should you do
if a warning light starts flashing on your vehicle's dashboard?
You should stop the vehicle when a safe
opportunity arises, and check into the problem.
|Trailers above a certain gross weight
must have brakes fitted. What is that weight?
It is 750 kg.
|What are the things
that might notify you to a problem with your vehicle's brakes?
The vehicle wouldn't be responding to
the brakes effectively, and it would be more difficult to stop
|If you hear a scraping noise when
you press the foot-pedal what is the most probable cause?
It would indicate that the brake linings
are worn down.
|How would the brakes
feel when you pressed them, if the brake fluid were low?
They would feel soft and slack.
|If you discover that the brake pedal
feels slack or soft when pressed, what might that indicate?
It could mean that your brake fluid levels
are low, or in a motorcycle that the brake cable is worn.
|In general, what part of the vehicle
does the handbrake operate on?
It operates on the rear wheels of the
|What does A.B.S. stand for and do?
A.B.S. stands for Anti-Lock Braking System,
and it helps prevent the wheels from locking (stop turning completely)
if you brake suddenly. If wheels were to stop turning very suddenly
you would lose grip on the road and be propelled into a skid.
When operating the
indicator lights, what does a rapid clicking noise mean?
It tells you that an indicator light
|What is the function of a vehicle's
At night-time, they will reflect light
to alert other road-users to your presence.
VEHICLES WITH AUTOMATIC TRANSMISSION
|An engine's braking
power is affected in what manner by an automatic transmission
It is reduced.
|What should you bear in mind when
driving a vehicle with automatic transmission?
You should remember that the engine braking
power is reduced in comparison to a vehicle with manual gears.
|How is it recommended
to drive a vehicle with automatic transmission?
You should use the right foot to operate
the accelerator and the brake.
THE CONDITION OF YOUR VEHICLE
|If you notice that your engine power
is less than normal, as you are driving along, what should you
You should have the vehicle checked by
a qualified mechanic as soon as possible.
VEHICLE BODY CONDITION
|If parts of the vehicle's
bodywork are affected by rust, what should you do?
You should have it seen to at a professional
repair shop or garage, and have it treated if necessary.
|If you are driving a diesel engine
vehicle in cold weather, what should you make sure of?
You should make sure that the fuel is
treated with an anti-waxing agent.
|If wipers stop functioning
suddenly, what is usually the problem?
It usually indicates that a fuse has blown.
|What should you do if the wipers have
been frozen onto the windscreen?
You should proceed to defrost the windscreen,
before you turn the wipers on.
|If the wiper blades
aren't clearing the windscreen properly, what should you do?
You should replace the wiper blades as
soon as you can.
|If you are travelling along in the
rain, and notice that your wiper blades are worn down, what
should you do?
You should drive carefully and slowly
to the nearest garage, and have the wiper blades replaced.
|If your vehicle's battery
is low in charge, what effect would this have on the vehicle's
|What is the function of a laminated
It is designed so that it won't shatter
into large fragments if struck by an object.
SUSPENSION AND SHOCK ABSORBERS
|If the shock absorber
was worn, what effect would this have on the performance of
The vehicle would bounce considerably
more than normal.
|Must a tractor or work vehicle be
fitted with external mirrors?
|If there is wet weather,
what would the effect on your external mirrors be?
The view in your mirrors could be less
clear than in dry conditions.
|What should you be able to see in
the wing mirrors?
You should be able to see the areas to
the side and rear of the vehicle, as well as the side of the
|When you are travelling along, what
should your mirrors reflect?
They should reflect the area to the rear
and either side of the vehicle.
|If you discover that there is blue
smoke coming out of your exhaust, what does this suggest?
It usually means that the engine is burning
|What does a catalytic
It leads to the filtering of exhaust fumes
and hence reduces pollution.
|If your exhaust was worn, how would
It would sound louder, and the fumes wouldn't
be properly filtered.
|A faulty exhaust would
have what effect?
It would be louder than normal, and cause
|When you are changing a vehicle's
tyre, how would you make sure that the vehicle is in a secure
Make sure that the vehicle can't roll,
when it is jacked up.
|What effect does coasting
have on your vehicle's tyres?
|What effects would under-inflated
tyres have on your vehicle's handling?
They would have a detrimental effect on
the vehicle's braking and steering.
|What would you do to
check the condition of your tyres?
You would make a visual inspection and
check the tyre pressure.
|Should you put extra air pressure
into tyres, if going on a long journey?
|Before you go on a
long journey, what should you have checked about your tyres?
Check that they have their normal air
|When are you permitted to attach cross-ply
or radial tyres to your vehicle?
|Do under-inflated tyres
have an effect on the engine's transmission?
|What would a worn tread along the
edge of the tyre suggest?
It could indicate that your steering alignment
|If your vehicle has
low tyre pressure, what effect would this have on the vehicle's
It would affect the braking and cornering
of the vehicle.
|What effect would driving against
or onto a kerb have on your vehicle?
It could cause your steering alignment
to go out of line.
|What's the lowest legal
tread depth for tractor tyres?
|What's the lowest legal tread depth
for motorcycle tyres?
|If you discover that
one of the front tyres is worn, what should you do?
You should have it replaced as soon as
|What is the lowest legal tread depth
for car tyres?
1.6 millimetres (mm)
|How often should you
check your tyre pressure?
THE DRIVER'S SEAT
|What effect would a badly adjusted
driver's seat have on the driver?
It could lead to a delay in the driver
operating some of the car's controls.
|If you rest your foot
on the clutch pedal, what effect does this have on the clutch?
It wears out the clutch more quickly.
THE VEHICLE'S STEERING
|If there is a continual vibration
in the steering wheel while you are travelling along, what would
It would suggest that the wheel balance