Which of the following is an indication that the front wheels of a vehicle may require balancing?, Heavy wear around the centre section of the tyre tread, Severe feathering of both the front tyre tread , Heavy wear on the outer edges of both the front tyres, Steering wheel vibration that increases with vehicle speed, MacPherson strut type suspension has:, Leaf springd, Rubber springs, Coil springs, Torsion bar springs, In the picture, one function of the component labelled 1 is to:, Hold the brake pads in place, Spin with the pads, Spin with the wheel, Straighten the disc during service, Brake fluid is periodically replaced during routine maintenance because it absorbs:, Moisture, which reduces its viscosity, Brake dust, which causes it to get dirty, Air, causing it to reduce braking efficiency, Moisture, which lowers the boiling point, Hydro-pneumatic suspension transfers road wheel movement via a:, Gas to a liquid damper, Spring to a hydraulic damper, Liquid to a gas damper, Spring to a friction damper, In relation to checking and adjusting front wheel alignment, checks should be done in 'free wheel' positions as this will show:, Uneven tyre pressures, If the wheels are buckled , The track rod ends are correctly screwed in place, That the rack is evenly distributed, Immediately after fitting new front brake pads, the correct procedure is then to:, Pump the brake pedal to take up the free play, Vent the brake system of air, Drive the vehicle on the road, Check the hand brake travel, A customer complains of 'judder' when braking, what should be checked on a service and with which tool?, Check the wear on the disc by feel, Check disc run out with a Dial Test Indicator, Measure the disc with a caliper and ruler, Check thickness with a micrometer, Anti-lock Braking System operating phases are controlled by:, Engine speed, Electronic solenoid valves, Mechanical linkages, Bowden cable, When carrying out a shock absorber (damper) test by 'bouncing' the number of 'bounces' must not exceed:, Six, Three, Five, Four, To maintain performance and safety requirements it is:, Important to fit replacement parts that meet the original manufacturer's specification, Important that all cars are road tested regularly, Important to clean the vehicle after servicing , Important that all cars must have an annual MOT, After fitting brake pads, what information must be passed onto the customer?, To brake as hard as possible, To check the tightness of the wheel bolts, To check the brake fluid level, To avoid hard braking until the pads have bedded in, The aspect ratio of a tyre:, Effects the maximum tyre pressure, Effects the maximum tyre speed, Effects the maximum tyre tread, Effects the maximum tyre load, Why is 'ABS' fitted to vehicles?, To prevent wheel lock when braking, To brake quicker under all conditions, To stop shorter under all conditions, To stop the brakes from getting overheated, In order to stop safely, even if there is a serious hydraulic leak on one brake hose, cars are fitted with:, A dual line system, A brake servo, Parallel master cylinders, A large fluid reservoir, The main cords of a radial ply tyre are at an angle of:, 180° to the bead, 90° to the bead, 135° to the bead, 45° to the bead, In vehicle suspension, the term 'roll' refers to the:, Lowering of the front during braking, Leaning movement of the body when turning, Dipping and rising of the vehicle on uneven road surfaces, Lifting of the front during acceleration, Tyre section height expressed as a percentage of the section width is referred to as:, The ply rating, The aspect ratio, The speed rating, The load rating, One reason that disc brakes are used on the front of a vehicle instead of drum brakes, is that they:, Have a self-servo action, Dissipate heat better, Are bigger , Are smaller, A tyre is marked 205/65R15. What is the bead diameter?, 65 inches, 15 inches, 205 inches, 85 inches, If brake discs are suspected to be warped, which tool should be used to check them?, Ruler, Feeler gauge, Dial gauge, Micrometer, What is the function of item number 7 in the brake illustration?, To enable manual brake adjustments to be carried out, To enable the brakes to be vented, To prevent brake squeal when worn, To transmit the force from the brake fluid to the brake pad, A buckled front wheel will:, Cause uneven tyre wear and inaccurate wheel alignment readings, Cause uneven tyre wear and inaccurate toe-out on turns readings, Cause uneven tyre wear and inaccurate castor angle readings, Cause uneven tyre wear and inaccurate swivel axis inclination readings, Adaptive suspension uses:, Driver-operated control valves, Air damping controlled by a compressor, Manually adjustable friction dampers, Hydraulic damping controlled by sensors actuators and an ECU, Negative swivel axis inclination is defined as:, Forward tilt when viewed from the side, Outward tilt when viewed from the front (front wheels), Backward tilt when viewed from the side, Outward tilt when viewed from the front (rear wheels), Out of balance front wheels are likely to cause:, The steering to feel light, The steering to feel heavy, The steering wheel to shake, The steering wheel to pull to the left, In relation to vehicle behaviour during cornering, 'understeer' is when the:, Slip angles of the front tyres are the same as the slip angles of the rear tyres, Rear wheels of a vehicle are carrying much less load than the front of the wheels, Slip angles of the rear tyres are larger than the slip angles of the front tyres, Slip angles of the front tyres are larger than the slip angles of the rear tyres, Negative offset in relation to steering angles is:, When the centre line through the swivel pin intersects the centre line of the wheel below ground level, When there is an off-set angle in the longitudinal plane of the steering which is added to reduce steering feedback, When centre line through the swivel pin intersects the centre line of the wheel above ground level, When a negative Ackerman angle value is used in the steering system of a large car with power steering, A rear suspension system consisting of a solid rear axle, with a support of springs is called:, Non-independent rear suspension, Solid axle suspension , Torsion bar suspension, Adaptive suspension, If the front road wheel is set to tilt inwards at the top, it has:, Positive camber, Negative castor, Negative camber, Positive castor.

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