WorksheetsTrans level 3
Total questions: 28
Worksheet time: 14mins
where on a vehicle is a viscos coupling fitted?
Torque converter
four-wheel driver pinion
four-wheel drive gearbox
front-wheel driveshaft
What is one method used to operate the selection of gears in an electronically sequential type gearbox
Magnetic rollers and selector drums
electronic ECU and actuators
Continuous chain and gears
electronic shaft and selector drums
Which is the following used by some light vehicle automatic gearboxes
electronically controlled actuators to control air valves
electronically controlled actuators to control hydraulic valves
electronically controlled sensors to engage multi-plate clutch packs
electronically controlled air valves to control centrifugal selector
What would a CVT transmission in operation provide
5 individual ratios
6 individual ratios
smooth unlimited ratios
1 front wheel drive and one reverse ratio
What is a symptom of friction clutch slipping
a burning smell
snatching during a gear change
a continuous drive to the gearbox
a decrease in gearbox operating temperature
Which one of the following can cause overheating in a transmission system
chip-teeth
slipping clutch
faulty pressure release valve
incorrectly adjusted change mechanism
What would excessive clutch slip underload be caused by
excessive clutch linkage free play
Air in the clutch hydraulic system
weak diaphragm spring pressure
stiff gear selector
How will the technician locate a fault within the ECU
Replace it with a good unit
Interrogate the fault codes in other units
Measure the units in internal resistance
Measure the units inputs and outputs
Where in a transmission gearbox would a mechanical component rotating to produce voltage output be found
1st gear
5th gear
Reverse gear
Speedo meter drive gear
From where does an ECU receive a road speed signal
ROM-chip
ABS sensor
Change over relay
Bell housing
CAN bus communication uses which of the following
Electronic-complex signals
Binary code communication
Electric analogue communication
Electro-magnetic pulsed wave
What does a transmission electronic speedometer use
a phased generator
a pulse generator
a high voltage coil
a high voltage spark
Through what angle does the unit show turn in degrees in the drive
45 degrees
90 degrees
180 degrees
360 degrees
Which component provides torque multiplication within a torque converter
turbine
stator
impeller
flex-plate
What is the purpose of a final drive unit
to provide torque reduction
to provide torque multiplication
to provide an increased output speed
to provide an overdrive gear
What is an advantage of using a lock-up clutch within a torque converter
it is less fuel efficient
it allows increased slippage at high engine speed
it provides a quieter drive
it provides no slippage at high engine speed
What is the most important safety factor when a transmission test is being carried out on the vehicle when the engine is running in the workshop
Exhaust gas is extracted in the test
neutral gear position is selected at all times
brakes are applied and wheels are free
clutch pedal is locked in posisition
What testing procedure is used with the component shown in the image
Dwell test
stall test
compression test
leakage test
What does an oscilloscope give an accurate picture of
Atmospheric pressure and time
voltage and time
vibration and fluctuation
AC voltage and calibration
What diagnostic test will be used to interact with an ECU to measure voltage, current and the time of electronic components
A voltmeter
oscilloscope
A fault code reader
A service light re-set tool
What will be the result of a low fluid level in a transmission unit
a fierce clutch
overheating
rapid gear shifts
creation of water vapor
What equipment is normally used to assist in removing air from the hydraulic clutch system
a mechanical driver
a pressure bleeder
an automatic pedal pressure
hydrometer
Which of the following is correct with regards to a automatic transmission gear oil
it has to be a specific specification
the lubricant must be red in color
it has to be an extreme pressure lubricant
a multi-grade lubricant
What could be a possible reason if the gearbox will not fit onto an engine unit after a clutch replacement activity
no locating dowels are fitted
the centre-plate has been left out
failure to replenish gearbox oil
the clutch adjustment is incorrect
When evaluating the operation of a replaced clutch unit before a road test, what should the technician check
flywheel run out
clutch pedal height
clutch cable length
dual mass spring tension
What will high moisture content in the clutch hydraulic system cause
clutch fade
clutch judder
corrosion of internal clutch cylinders
increased wear on the clutch driven plate
Which of the following will occur when evaluating the performance of an automatic gearbox gear change
Gears will change at lower engine revolutions in sport mode
Gears will change at higher engine revolutions in sport mode
Gears will change at lower engine revolutions in normal mode
Gears will change at lower engine revolutions in reverse mode
When replacing a complete front wheel driveshaft usually justified?
when the gator will not fit correctly
when the gator clip are too short
when CV joints cannot be bought separately
When the driveshafts props aren't part of the driveshaft
