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WorksheetsIMI VF02 Wheels and Tyres
Total questions: 31
Worksheet time: 31mins
It is an offence to use a high performance tyre with lumps and bulges in the tread
True
False
Lead wheel weights should be disposed of in the correct manner, they are toxic
True
False
you can use a rubber plug patch on a high performance tyre if the hole diameter is above 6mm
True
False
Under British Standards before repairing a high performance tyre it should be checked for
Air pressure
Valve position
Aging and deterioration of the rubber
correct sidewall size markings
S tyre has a side wall marking of 205/55/R16 this means the tyre
Has an effective diameter ratio of 205 millimetres
Is fitted to a 16 inch diameter wheel
Has an effective diameter of 55 millimetres
Has an effective diameter of 16 inches
A British standard repairable area of a high performance tyre of 205mm section width is
70% of the central section of the tread
60% of the central section of the tread
75% of the central section of the tread
65% of the central section of the tread
What is the correct speed rating for a tyre with marking 205/50/R16 89W
Maximum 130mph or 210km/h
Maximum 120mph or 180km/h
Above 149mph or 240km/h
Maximum 125mph or 200km/h
What should be done to each wheel nut when re-fitting road wheels
Tighten and cover with grease to prevent rusting
Tighten using a correctly set torque wrench
Tighten using a socket and air wrench
Tighten in a clockwise sequence
An asymmetric tyre can be fitted anyway round on its rim?
True
False
Incorrectly balanced wheels may cause?
The wheel alignment to change
Wear on the inner edge of the tyre
Wear on the outer edge of the tyre
The steering wheel to vibrate
High performance rims are best fitted with?
Pullin valves
Clamp in valves
Push in valves
Tube type valves
High performance tyre repairs can be carried out by anyone if they use the right tools
True
False
An un-directional tyre will have no arrow on the side wall
True
False
High performance tyres must have a minimum legal tread depth of
16mm
1mm
0.16mm
1.6mm
The method of measuring the tread depth of a tyre is to use a tread depth gauge
True
False
Lowering the profile of the tyre
Decreases side wall rigidity, improves handling and braking
Increases sidewall rigidity, improves handling
Gives small sidewall defection, for better cornering and braking
Decreases the sidewall stiffness & improves comfort
It is an offence to use a tyre on a road that has a cut longer than?
over 1.5mm or 1% of the section width
over 2.5mm or 5% of the section width
over 15mm or 15% of the section width
over 25mm or 10% of the section width
High performance radial & cross ply tyres can legally be fitted on the same axle of a car
True
False
A run flat tyre can run with little or no air inside at any speed
True
False
The major design difference between standard and run flat tyres are
The construction of the side wall
The nominal width
The construction of the tread
The aspect ratio
When checking a tyre tread depth on a performance tyre it is important to
check the outer edges of the tread in 3 places
check the outer 3 quarters of the tread
check central 3 quarters of the tread
Check the middle of the tread
If the front wheel alignment is incorrect
Front tyres will feather
Wheels will toe-in on turns
Negative offset will change
Wheels will not toe-out on turns
Which is the best method for balancing a vehicles wheels
By rotating around the car
By attaching weights to the wheel
Using a stroboscopic timing light
By attaching weights to the tyre
The letters RSC stamped on a tyre sidewall means
Radial Surface Compound
Rear Steer Compatible
Rain Snow Combination
Run-Flat System Component
The main advantage of a directional tread pattern tyre is?
To provide better handling and cornering
To provide a more comfortable ride
To give increased road noise
To be efficient at dispersing water
If a tyre is over inflated the main effect on a tyre will be?
Wear to the shoulders
Wear to the centre
Reduced contact patch
Ride comfort
Where on the wheel would you view the caster angle from
From the side of the wheel
From the front of the wheel
From above the wheel
From the back of the wheel
What part of the wheel would you view the camber angle from
The front of the wheel
The side of the wheel
The back of the wheel
The top of the wheel
If the tyre tread reads 205/55/R16 91W what does the 55 mean
Aspect ration in percentage
Width of the tyre in inches
Speed rating
weight rating
How many plug patch repairs can a Z rated tyre have
2
3
4
5
A plug patch repair can be carried out on the tyre shoulder if required
True
False
