WorksheetsAutomotive Transmissions a Recap Primer
Total questions: 15
Worksheet time: 8mins
The majority of car clutches have what sort of springs?
Coil or Leaf
Torsion Bar or Diaphragm
Diaphragm or Coil
Leaf or Diaphragm
Which of the following can affect the ability of a clutch to transfer torque?
The number of friction surfaces
The effective diameter of the clutch disc
The spring pressure
The coefficient of friction
All of the above
In a manual gearbox clutch, which shaft is the clutch disc mounted onto?
The 1st Motion Shaft
The 2nd Motion Shaft
The 3rd Motion Shaft
The 4th Motion Shaft
What is a gear wheel called that has teeth cut in line with the gear axis?
Single Helical
Stetson
Spiral
Spur
What is the correct name for a final drive gearbox where the input shaft is not on the centre line of the crownwheel?
Ovoid
Hypoid
Hybrid
Highline
When calculating gear ratios in a simple gear train, which is the correct formula?
Driven divided by Driver
Driver multiplied by Driven
Driven multiplied by Driver
Driver divided by Driven
Which springs in a clutch help to minimise the effects of engine vibrations
Cushion Spring
Diaphragm Spring
Torsion Spring
Leaf Spring
Why are standard differential gearboxes used in car transmissions?
To ensure the driven wheels always turn at the same speed
To ensure the driven wheels never turn at the same speed
To ensure the driven wheels can turn at different speeds
To improve braking on slippery road surfaces
What is the gear ratio in a simple gear train if the Driver has 17 teeth and the Driven has 53?
0.32:1
4.38:1
3.11:1
0.22:1
Why does a manual gearbox have an interlock mechanism?
To hold the car securely on a hill in case of handbrake failure
It is an anti-theft device required by insurance companies
It helps cool the transmission fluid
To ensure two gears cannot be selected at the same time
Which of the following is not part of a car transmission?
Propeller Shaft
Drive Shaft
Half Shaft
Semi Shaft
To calculate the overall gear ratio of a compound gear train which of the following formulae is correct?
Ratio of the 1st pair added to the ratio of the 2nd pair
Ratio of the 1st pair multiplied by the ratio of the 2nd pair
Ratio of the 1st pair divided by the ratio of the 2nd pair
Ratio of the 1st pair deducted from the ratio of the 2nd pair
What is the correct name of the smaller gear in a final drive bevel gearbox?
Minion
Purloin
Mullion
Pinion
In a simple gear train with a ratio of 2:1 which of the following statements is correct?
As speed increases, torque increases
As speed increases, torque decreases
As speed increases, torque remains constant
Speed and torque are not related
In a hypoid final drive gearbox which of the following statements is true?
More than one tooth is in contact at any one time
The Centre of Gravity may be lowered
Ground Clearance may be increased
A greater tooth contact area is formed
All of the above
