WorksheetsLV13 Diagnosis and rectification of transmission and drivelines
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
What affect will an overdrive gear arrangement have on torque and speed at cruising speeds?
a)
Torque output is increased, speed output is increased
b)
Torque output is reduced, speed output is reduced
c)
Torque output is increased, speed output is reduced
d)
Torque output is reduced, speed output is increased
2.
What would cause a manual sequential gearbox to jump out of 3rd gear under acceleration?
a)
A slipping clutch
b)
worn detent ball and spring
c)
Worn selector drum, balls and springs
d)
Excessive differential free play
3.
What may cause Automatic transmission fluid to be discoloured and have a burnt smell?
a)
A Slipping Multi plate clutch
b)
Inoperative transmission oil pump
c)
Free brake band
d)
Incorrect kick down cable adjustment
4.
What is used to carry out an oil pressure test on an automatic gearbox?
a)
An oil pressure test gauge and suitable adapter
b)
Torque converter pressure gauge
c)
Pedal pressure test gauge
d)
A torque inducer test gauge
5.
A oil pressure test on an automatic gearbox may give an indication of what?
a)
Torque converter pressure
b)
Pump return pressure
c)
Pressure applied to each multi clutch pack during selection
d)
Pedal pressure
6.
What is an automatic transmission stall test used to check?
a)
Diaphragm spring clutch slip
b)
Operation of lock up clutch
c)
Condition of hydraulic fluid
d)
Torque converter and transmission slip
7.
A good clutch friction plate material should have
a)
A high blue asbestos content
b)
high coefficient of friction
c)
no coefficient of friction
d)
a low coefficient of friction
8.
A torque converter lock up clutch operates when
a)
vehicle is on over run
b)
vehicle is at low speed
c)
turbine and stator are rotating at different speeds
d)
turbine and impeller blades are rotating at the same speed
9.
When checking the current consumption of transmission actuator you would use
a)
an ammeter connected in parallel
b)
a tachometer
c)
an ammeter connected in series
d)
a voltmeter connected in parallel
10.
Oil contamination of a clutch could cause
a)
slip
b)
wear
c)
drag
d)
chatter
11.
What part turns the Automatic Transmission oil pump?
a)
Input Shaft
b)
Flex Plate
c)
Clutch
d)
Torque Converter
12.
The Stator one way clutch locks up
a)
From stand still / stall speeds
b)
At cruising speeds
c)
During deceleration
d)
During gear changes
13.
The Torque converter locks up during cruising speeds to prevent
a)
Torque converter damage
b)
Torque converter slippage
c)
Transmission over heating
d)
Transmission freewheeling
14.
This component redirects the fluid and multiplies torque.
a)
Impeller
b)
Stator
c)
Turbine
d)
Flexi plate
15.
This part is the output of the torque converter and in turn drives the input shaft of gearbox.
a)
Impeller
b)
Stator
c)
Turbine
d)
TCC
16.
When is there the greatest speed difference between component A & C
a)
At cruising speed
b)
Acceleration
c)
Torque converter lock up
d)
In overdrive
17.
The acronym ECAT stands for what?
a)
Electronically Controlled Automatic Transferbox
b)
Electronically Controlled Automatic Transmission
c)
Electro Control Area Test
d)
Electronic Control Actuator Tester
18.
Before stripping components to diagnose a ECAT fault what should be done?
a)
Road test the vehicle
b)
Check for fault codes
c)
Visually inspect sensor connections
d)
All the above
19.
Which of the following will not be detected by the vehicles on board diagnostics?
a)
Transmission actuator fault
b)
Transmission fluid temperature
c)
Transmission sensor fault
d)
Burnt transmission fluid
20.
How many gear ratios can you get from a planetary gear set?
a)
2 forward, 2 reverse
b)
1 forward, 3 reverse
c)
3 forward, 2 reverse
d)
3 forward, 1 reverse
21.
The components inside a CVT gearbox consists of?
a)
Vanes, fluid and mechatronic control unit
b)
Conical pulleys and a steel belt
c)
Sun, planet and ring gear used to obtain 3 forward gears
d)
Impeller, stator and turbine
22.
Which of these is not fitted in a CVT gearbox?
a)
Diaphragm spring clutch
b)
Multi plate clutch pack
c)
Steel belt
d)
Epycyclic gear
23.
A vehicle with manual transmission has a tendency to jump out of gear. ONE possible cause is:
a)
Broken selector detent spring
b)
Low transmission oil level
c)
Worn synchromesh baulk ring
d)
Worn clutch friction plate
24.
In a C.A.N Bus vehicle wiring system;
a)
The supply voltage is very high
b)
More wires are required than conventional systems
c)
The data bus carriers data packets to and from ECUs
d)
The data bus carriers A/C voltage to control the actuators
25.
What gear is selected?
a)
1st gear because the planet carrier is locked
b)
Reverse gear because the sun gear is locked
c)
Reverse gear because the planet carrier is locked
d)
Overdrive gear because the ring gear is locked
26.
Which one of the following can be used as a third differential on a 4WD system.
a)
Transfer box
b)
Transfer case
c)
Synchroniser hub
d)
Viscous coupling
27.
A worn syncromesh baulk ring can cause
a)
The gears to crash when being engaged
b)
Excessive vibration on overrun
c)
Difficulty when disengaging gears
d)
Noisy reverse
28.
A noise from the car when the engine is running, gear is in neutral & the clutch is not used?
a)
Worn clutch release bearing
b)
Worn friction lining
c)
Worn transmission input shaft bearings
d)
Worn transmission output shaft bearings
29.
Which type of gear would normally be found in a CVT gearbox for reverse?
a)
Helical Gear
b)
Spur Gear
c)
Epycyclic Gear
d)
Hypoid Gear
30.
What are gears A and Q?
a)
Hypoid final drive gears
b)
Spur Reverse gears
c)
Helical crown wheel and Pinion gears
d)
Helical Reverse gears
100 %
