WorksheetsTransmission level 2
Total questions: 71
Worksheet time: 36mins
Which one of the following is a function of the clutch assembly
Provides a temporary break in the transmission of drive.
Reduces gearbox torque
Provides a permanent break in the transmission of drive.
Increase gearbox torque
Which component provides the clamping pressure for the clutch shown in the image
1
2
4
6
What is the part of the gearbox which bolts to the engine block
Tail extension
Bell housing
Drive plate
Input shaft
What is illustrated in the image shown
Reverse gear idler
Gearbox interlock device
Synchromesh selection unit
Differential drive unit
What is the main type of gear used in constant mesh
Bevel
Helical
Hypoid
Spur
Referring to the diagram, if X is the driver gear and rotate anti-clockwise at 2000 rev/min, at what speed and direction will gear Y rotate
Clockwise at 4000 rev/min
Clockwise at 1000 rev/min
Anti-clockwise at 1000 rev/min
Anti-clockwise at 2000 rev/min
What fault could a worn spring cause in the image below
Two gears to be selected
Gears to automatically disengage
Gears to automatically engage
A whining noise
Which one of the following is most likely be fitted to a propeller shaft
Speedometer cable
Differential gear
One tapper bearing
Balance weight
Under what condition are the planet wheels of a differential unit rotating
When the vehicle is reversing
When the vehicle is turning corner
When the vehicle is traveling on the overrun
When the vehicle is traveling straight ahead
What are the main items in the image shown
Hookes type joints layshaft coupling and rubber boots
Constant velocity joint, plunge joint and rubber boots
Constant velocity joints, bylaws and propeller shaft
Hookes type joints, propeller shaft and latex gaters
Which one of the following should be used to finally tighten flywheel bolts
An air wrench
An impact wrench
A torque wrench
A rachet wrench
Which one of the following is correct with regards to combined clutch release bearing and hydraulic operating cylinder
It is normally adjusted by a separate cable
It is normally adjusted on the clutch pedal
It is normally self adjusting
It is normally adjusted by adding fluid
To disengage the clutch excessive force is required. What components should be checked first
Pedal drive shaft, transmission mounts and the master/slave cylinder
Pedal mechanism, clutch cable, release shaft, master/slave cylinder and hose
Clutch pressure plate, driven plate, flywheel face and master/slave cylinder
Clutch driven plate, input shaft splines, clutch cable, and master/slave cylinder
What is one function of clutch
Prevent two gears being selected at the same time
Allow the driver to overrun the vehicle when travelling downhill
Provide a means of increasing engine power as engine speed increases
Control the torque transmitted from the engine to transmission system
Which one of the following symptoms would a worn selector fork cause
Jumping out of gear
Transmission judder
Side cover oil leak
Layshaft end float
What is typical top gear ratio in a six speed gearbox
2.225:1.
1.419:1
0.912:1
3.417:1
A final drive has an input torque of 110Nm, the pinion gear has 12 teeth and the crown wheel has 48 teeth. What will the output torque be
30Nm
110Nm
440Nm
660Nm
Which one of the following is a typical final drive gear ratio
4:01
1:04
8:01
3:02
How can a repaired transmission unit be checked for correct operation
By ensuring that gears can only be selected easily at road speeds over 25 Km/hr
By changing directly from fifth gear at road speeds over 65 Km/hr
By ensuring all up and down gear changes are smooth
By changing through all gears without the use of clutch
Which one of the following is correct with regards to the clutch cover?
It is splined onto the input shaft
It is bolted to the flywheel
It is splined to the clutch disc
It is bolted to the input shaft
What is the main type of gear used in a synchromesh gearbox
Hypoid
Spur
Conical
Helical
What is one benefit of a vehicle being driven with a high gear ratio selected
Reduced fuel consumption
Higher driveshaft torque
Higher engine speeds
Reduced clutch wear
Under what condition are the planet wheels off a differential unit rotating
When the vehicle is reversing
When the vehicle is turning a corner
When the vehicle is traveling on the over-run
When the vehicle is travelling straight ahead
What does a differential allow when a vehicle is travelling round a corner
Inner wheel to travel faster than the outer wheel
Inner and outer wheels to travel at the same rate
Wheels to automatically brake if speed is exceeded
Outer wheel to travel faster than the inner wheel
What is the main reason for using a constant velocity joint in the drive system
It multiplies torque at the road wheels
It is capable of driving through a large angle
It reduces the need for regular servicing
It can increase road speed at the wheel
Why is it necessary to use a clutch alignment tool
To align the flywheel to the bell housing
Stop the flywheel from turning
Centralise the slave cylinder
Align the drive plate centrally
What is the item of equipment shown in the image which is used when assembling transmission systems
Vernier gauge
Dial test indicator
Internal micrometer
External micrometer
What is the first thing that should be checked when a hydraulically operated clutch fails to fully disengage
Pressure plate
Transmission leaks
Cable adjustment
Clutch fluid level
What does a clutch allow
The engine to provide a braking force down hill
Means of giving an overdrive ratio in 5th gear
Decrease in engine power as engine speed decreases
Gradual take up of drive from the engine
Which one of the following symptoms would a worn selector fork cause
Jumping out of gear
Transmission judder
Side cover oil leak
Lay-shaft end float
Which tool will give the most accurate reading when checking wheel bearing end float
Torque gauge
Vernier gauge
Dial test indicator
Internal micrometer
What is a routine inspection of the component shown in the image
Remove, refit and rebalance
Strip down joints, re-grease and tighten balls
Check rubber gaiters and feel for free play
Remove, refit and check runout using V blocks
What could be damaged when a transmission unit is removed on some vehicles
Suspension dampers
Cylinder head
Coolant pipes or connections
Front cross member
What does the mean radius of the clutch driven plate affect
Amount of torque it can transmit
Speed of the gear changes
Pressure applied to the flywheel
Gear selected by the driver
What does a gearbox with a second gear ratio at a constant speed produce
More torque than first gear
Less torque than first gear
Same torque as first gear
Zero torque with more speed
What is the best method of testing a newly fitted manual gearbox
Carry out a road test and check gears function correctly
Carry out a bench test checking all gears are selectable
Give the car to the customer to test for a couple of days
Raise the vehicle on a hoist and select all forward gears
Which one of the following is a typical final drive gear ratio?
4:01
1:04
8:01
3:02
Which one of following is a routine check on a rear axle final drive unit?
Remove the propeller shaft to tighten the pinion nut
Remove the level plug and top up with extreme pressure grease
Remove the level plug and top up with extreme pressure grade oil
Remove the level plug and top up with multi-grade engine oil
Before removing the gearbox to change the clutch, why may it be necessary to use special equipment
To remove the axle
To support the engine weight
To remove the housing brackets
To compress the dual mass flywheel unit
The CV gaiter shown has split due to fair wear and tear. The joint is examined and found to be serviceable. What is the correct working procedure
Pack with grease and glue the split together
Clean, repack with grease and fit a new gaiter
Fit a new gaiter and fil with correct grade of oil
Clean with brake cleaner and fit a new gaiter
What is one function of a clutch
Allow the engine to keep running when the vehicle is temporarily stopped
Provide a means of increasing engine power as engine speed increases
Provide a means of giving a direct drive in top and reverse gear
Allow the driver to control driving torque at all speeds
What test should be carried out after replacing a clutch cable
Clutch drag when the brakes are fully applied
Clutch slip when braking at high road speed
Clutch drag at maximum road speed
Clutch slip when accelerating
Which one of the following pieces of equipment would assist in the removal of the gearbox from a front wheel drive light vehicle
Clutch cable holding and mounting pins
Rear axle locating and alignment pins
Propeller shaft splitting equipment
Engine inner wing support beam
What is used on the propeller shaft to allow for changes in length between the transmission and the final drive
Flexible centre bearing
Constant velocity joint
Two universal joints
Sliding splined joint
What type of final drive crown wheel gear is shown in the image
Spur
Helical
Hypoid
Planet
What fault would a worn spring cause in the image shown
Two gears to be selected
Gears to automatically disengage
Gears to automatically engage
A whining noise
What is the main type of gear used in a synchromesh gearbox
Hypoid
Spur
Conical
Helical
Which one of the following engages the gear in a manual gearbox
Epicyclic gear system
Mainshaft bearings
Variable speed slider
Baulk ring synchromesh
What is illustrated in the image shown
Reverse gear idler
Gearbox interlock device
Synchromesh selection unit
Differential drive unit
What is the purpose of the labelled items in the image shown
Reduces the effort required to change gear
Prevents more than one gear being selected at a time
Allows a positive engagement of the gear selected
Reduces vibration of the shift forks and shafts
What type of gear is used for reverse gear
Helical
Spur
Hypoid
Square
How many pins are in a OBD II Plug
16
12
8
4
What is the main hazard on gear box oil on the floor
Slip hazard
Trip hazard
Electrical hazard
Bio-hazard
What should the technician be aware of when changing a clutch?
Cats in the engine bay
Breathing in clutch dust
Cam belt tension
Making sure the hand brake is off
Why is it important to fit original equipment during a transmission re-assembly
Ensures vehicle warranty is invalid
Ensure the company can make maximum profit
Ensures original spec is maintained
Enables the technician to make their bonus
How would a technician check performance of a new clutch release bearing ?
Conduct a stall test
Road test and check for clutch slip
Depress the clutch and listen for excessive noise
Road test and check for transmission judder
Which of the following equipment would be used in the removal of a front wheel drive gearbox
Clutch cable support bracket
Engine inner wing support beam
Axle locating and alignment pins
Prop shaft splitting equipment
What would be the most likely cause of a clicking noise heard from the front when cornering at slow speeds?
Split rear CV Gaiter
Split front CV Gaiter
Worn inner CV joint
Worn outer CV Joint
What would be the MOST likely cause of vibrations throughout a front wheel drive vehicle at high speeds
Worn outer CV joint
Bent or misaligned propeller shaft
Worn inner CV joint
Bent or misaligned front driveshaft
Which two components does the half shaft connect in order to transmit drive?
The planet gears and the gear wheeels
The differential sun gear and wheel hub
the differential planet gear and the wheel hub
The propeller shaft and the gear box universal joints
What is the function of a gearbox baulk ring?
Acts as a reverse gear
Holds the gear selection in position
Assists speed synchronisation
Maintains gear oil to the bearings
Which of the following equipment should be used to connect to the OBD to retrieve fault codes?
Scanner
Ammeter
Ohmmeter
Osciloscope
What is the technicians FINAL task after refitting a rear axle dif unit?
Remove the level plug and top up with multi-grade oil
Remove the level plug and top up with Extreme pressure grease
Remove the level plug and top up with Extreme pressure grade oil
Remove the level plug and top up with automatic transmission fluid
When removing an ECU from a vehicles transmission system, which of the following must be disconnected first?
All sensor connections
Battery positive terminal
Battery negative terminal
Electronic control unit multi plug
What would an inductive sensor be used to measure in a gearbox?
Speed
Torque
Pressure
Temperature
With a gear ratio of 4-1 and an input torque of 110Nm what would the output torque be?
106NM
114NM
410NM
440NM
What would a technician measure using a DTI to ensure a drive line system meets manufactures spec?
Backlash and power
End float and speed
End float and torque
Backlash and End float
What part of a prop shaft allows for variation in the angle?
Sliding splines
Universal joints
Centre bearings
CV Joints
What is the main advantage of a duel mass flywheel compared to a solid mass fly wheel?
Allows a torque convertor to be integrated
Provides a tighter clamping force to the friction plate
Provides a vibration dampening action to the transmission
Allows for quick clutch disengagement at low engine speeds
What is the main principle of a manual gearbox?
Allows different gears ratios
Allows for automatic gear changes
Allows a smooth take up of drive
Allows increased power from the engine
Which Type of transmission will a front wheel drive vehicle use compared to a rear wheel drive vehicle?
Dead axle
Transverse
Hypoid axle
Longitudinal
