Enterprise Revision

Enterprise Module 5 Revision

Part 1 Transmissions

Multiple Choice

What is the purpose of a differential?

• to transmit drive to the driven wheels

• To convert linear energy into rotational energy

• To transmit drive to the flywheel

• to convert thermal energy into rotational energy

Multiple Choice

Which one of the following components is fitted between the clutch pressure plate and the flywheel

• pressure pad

• driven plate

• clutch thrust

• release spring

Multiple Choice

In relation to gearboxes, which of the following statements is true?

• Front wheel drive gearboxes are solid mounted on the engine

• Rear wheel drive gearboxes do not usually contain final drive components

• The operating principles of gearboxes are the same irrespective of size

• All of the above

Multiple Choice

What is the correct procedure for checking an automatic box oil level

• Engine off, gearbox warm

• Engine running, Gearbox warm

• Engine running, gearbox cold

• Engine off gearbox cold

Multiple Choice

Which component is part of a hub reduction system

• Crown wheel

• Clutch

• Sun Gear

• Flywheel

Multiple Choice

In a final drive assembly, it is usual for the: 

• Pinion to rotate slower than the crown wheel 

• Crown wheel to be driven by the propeller shaft 

• Pinion to drive the crown wheel 

• Crown wheel to drive the pinion 

Multiple Choice

Which of the following is NOT a differential measurement?

• a)              Sun gear preload

• b)              Backlash

• c)              Carrier bearing preload

• d)              Pinion bearing preload

Multiple Choice

A vehicle fitted with manual transmission crashes when engaging 2nd gear. The most likely cause is:

• a)         spigot bearing partially seized on input shaft

• b)         defective gear interlocking device

• c)         worn synchromesh baulk ring

• d)         seized clutch release bearing

Multiple Choice

1.       The purpose of a gearbox in a heavy vehicle is to multiply torque. In a manual gearbox in which gear position will this be MOST effective?

• a)               Fourth

• b)               Third

• c)               First

• d)               Second

Part 2 Foundation Skills

Multiple Choice

What Does the term SWL Mean

• Safe Working Length

• Safe working load

• Safety working load

• a suitble cable tie is in place

Multiple Choice

What precaution must be taken when carrying out repair underneath a raised tipping body

• Work Quickly

• a suitable body prop is in place

• Ensure bump cap is worn

• a suitble cable tie is in place

Multiple Choice

Mandatory signs are

• green and red

• green and white

• blue and white

• blue and red

Multiple Choice

Absorbent granules are used for:

• Absorbing grease from engine parts

• To make a slippery surface safe

• Absorbing hazardous odours

• Soaking up spillages

Multiple Choice

1.      Alternator drive belt tension should be regularly checked using a:

• tyre lever

• pry bar

• dial test indicator

• belt tension gauge

Multiple Choice

1.      The Health and Safety at Work Act 1974 imposes certain duties on employees. One duty imposed on employees by the act is:

• to clean their work bays and dispose of waste materials

• to take reasonable care of their own health and safety

• to clean the customer's vehicle after a repair

• to report all accidents and hazards to a supervisor

Multiple Choice

What is 1 Bar equal to?

• 9 PSI

• 1 PSI

• 15.2 PSI

• 14.5 PSI

Multiple Choice

1.      The contract for the repair of a vehicle by a garage or vehicle dealership is covered by:

• The Road Traffic Act

• The Supply of Goods and Services Act

• The Data Protection Act

•  None of the answer options shown

Multiple Choice

The sidewall marking of a tyre is 295/80R22.5 this means that:

• a)               the tyre is a cross-ply construction design

• b)               the section height of the tyre is 236mm

• c)               the tyre is fitted to a 295mm diameter wheel

• d)               the diameter of the road wheel is 22.5 inches

Multiple Choice

Correct tool for re-tightening road wheels

• Impact Wrench

• Breaker Bar

• Torque Wrench

• 2 Uga Duga's

Part 3 Engines

Multiple Choice

Excessive clearance in a valve operating mechanism will:

• a)              advanced the valve timing

• b)              increase valve overlap

• c)              retard ignition point

• d)        Cause valves to open Late Close early

Multiple Choice

What are the most likely symptoms that indicate broken piston rings and worn cylinder bores?

• a)              Blue smoke from the exhaust and poor engine performance

• b)              White smoke from the exhaust during acceleration

• c)              Black smoke from the exhaust and poor engine performance

• d)              Water in the engine oil and poor engine performance

Multiple Choice

EGR systems are primarily designed to reduce:

• a)              CO

• b)              CO2

• c)              NOx

• d)              HC

Multiple Choice

A blocked air filter would cause:

• Black Smoke

• Blue Smoke

• White Smoke

• All of the above

Multiple Choice

When Refitting piston rings they should be set:

• wherever you like

• 120 degrees apart with no gaps facing a thrust surface

• 90 degrees apart with no gaps facing a thrust surface

• 180 degrees apart with no gaps facing a thrust surface

Multiple Choice

What would be a logical procedure when suspecting a faulty turbo charger:

• Check for oil collecting in the intercooler

• Check for coolant in the footwell

• Check for oil in the sump

• Check for air in the intake system

Multiple Choice

What is this component

• Heated O2 Sensor

• NOX sensor

• MAF sensor

• DPF pressure sensor

Part 4 Electrics

Multiple Choice

12. An ammeter is connected in series with a 12 volt lamp and shows a current flow of 2amp. What is the power rating of the lamp?

• a) 6 Watt

• b) 6 Ohm

• c) 24 Ohm

• d) 24 Watt

Multiple Choice

8. The light from a front fog light is dim. Which of the following is NOT a possible cause of the fault?

• a) Corroded earth connection

• b) Corroded light reflector

• c) Open circuit supply cable

• d) Corroded supply cable

Multiple Choice

3. In a vehicle alternator the rectifier pack:

• a) converts DC to AC

• b) converts AC to DC

• c) has a zener diode

• d) regulates the voltage

Multiple Choice

14. Current flow in a circuit is measured using:

• a) a volt meter

• b) an ammeter

• c) an ohm meter

• d) a dwell meter

Multiple Choice

4. A lamp with a poor earth connection will cause:

• a) the lamp to be brighter

• b) the bulb to blow

• c) the circuit fuse to blow 

• d) the lamp to be dim

Multiple Choice

Which action is correct when installing halogen bulbs:

• You must not touch the glass portion of the bulb

• Remove earth terminal first

• They are 1 direction and must be connected on the correct + and - temrinals

• You must only touch the glass section of the bulb

Multiple Choice

Which is the measurement or resistance:

• Volts

• Ohms

• Amps

• Watts

Part 5 Chassis

Multiple Choice

What indicates to the driver that there is a fault with the ABS system

• A friendly tap on the shoulder

• Warning vibration

• Warning light

• Warning alarm

Multiple Choice

Water in the pneumatic air system will cause

• Reduce the air pressure in the resevoir

• Increase the volume of air available for braking

• Reduce the volume of air available for braking

• Increase the air pressure in the resevoir

Multiple Choice

What is the correct air build up sequence

• Secondary Brake, Service Break, Parking, Auxiliary tank

• Auxiliary tank, Service Break, Secondary Brake, Parking,

• Service Break, Secondary Brake, Parking, Auxiliary tank

• Brake, Parking,Service Break, Secondary Auxiliary tank

Multiple Choice

What is the function of the supply dump valve valve

• Dump Air pressure in case of emergency

• speed up the application of the trailer brakes by increasing the service line pressure

• Apply pressure to air bags when required

• None of the above

Multiple Choice

1.      Which of the following is an indication that the front wheels may require balancing?

• steering wheel vibration that increases with vehicle speed

• heavy wear on the outer edges of both the front tyres

• heavy wear around the centre section of the tyre tread

•  severe feathering of both the front tyre treads

Multiple Choice

Symptom of a vehicle with toe out

• Wear on the inside shoulders and feathering of the tread

• Wear on the outside shoulders and feathering of the tread

• Wear in center tread of tyre

• Wear on both edges of tyre

Multiple Choice

What is the purpose of the pressure relief valve in a PAS system

• To Bypass system when driving at high speeds

• Prevents over pressurization of the PAS system

• To reduce air pressure of system

Multiple Choice

What is a benefit of adding Aluminum Wheels

• Looks Cool

• reduce the un-sprung mass

• Increase the un-sprung mass

• reduce tyre wear

Multiple Choice

What is the purpose of an anti-roll bar

• increase body roll stiffness

• Reduce un-sprung mass

• Lower Ride height

• Reduce over-steer

Multiple Choice

What is the rule regarding conical, Radial and spigot wheel nut types

• They must never be interchanged under any circumstances

• they must always be replaced in pairs

• They must be torqued to 25% over specification

• they do not require torquing