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Worksheetsvehicle electrical units & vehicle chassis units (c)
Total questions: 15
Worksheet time: 1hrs 15mins
The function of the three position rocker switch on an electric sun roof is to
Amplify the motor torque
Provide an anti trap feature
Allow for varying battery voltages
Reverse the current supply to the motor
What are the tools shown in the image used to remove and refit?
Speakers
Cd player/radio
Parking sensors
Tank sender units
What is the main purpose of tyre lubricant?
To break the tyre bead more easily
To lock the tyre onto the wheel
To stop air leaking from the tyre
To help the tyre slip over the rim
Auxillary systems are often operated through a body control unit this is a
Computer
Motor
Relay
Battery
What is the main reason to follow manufacturers instruction when fitting componenet?
To ensure parts are fitted correctly
To reduce company overheads
To improve company profits
To reduce number of hours sold
The diagram shows a fuel pump circuit , what is the purpose of the FP relay?
To protect the fuel pump from producing too higher pressure
To use a small current to allow a large current flow
To switch the pump on for short periods when cranking
To reverse the pump current and fuel flow for cold starting
Rain sense wiper systems operate
Only when the headlight are on
Only at low ambient temperatures
On driver demand
When moisture is detected
What is the purpose of the tool shown in the image?
Checking tread depths
Measure wheel run-out
Remove the valve core
Checking tyre temperature
Which one of the following would make all the lighting bulbs constantly abnormally bright?
Loose negative battery terminal
Faulty alternator voltage regulator
Loose positive battery terminal
Faulty live feed to the lighting switch
Which one of the following must be carried out on completion of an electric window regulator replacement ?
Check opening and closing limits
Change the door key barrel
Re align the door hinge pins
Adjust the B post striker plate
Which one of the following is not a protection device
Fuse
Bulb
Fusible link
Capacitor
Which one of the following could cause a flat spot on the tyre?
An under –inflated tyre
Incorrect castor angle
An over –inflated tyre
Wheel lock during heavy braking
To what component would the item shown in the image be fiited?
Wishbone arm
Top swivel pin
Top macpherson strut mounting
Lower suspension ball joint
What is the main advantages of an electric power assisted steering system?
A drive belt is not needed
Lower viscosity fluid can be used
Provides assistance when the engine is not running
It reduces the power taken from the engine
What is the purpose of the equipment shown in the image?
Balancing a road wheel
Weighing a road wheel
Adjusting wheel alignment
Removing and replacing tyres
