Unit 162 Transmission systems

Which type of gear allows more than one tooth to be in contact and can be reduced in size but produces high side thrusts?

• Helical gear

• Straight cut spur gear

• Double helical gear

• Bevel gear

Which type of gear has only one tooth in contact and is efficient but can be noisy?

• Helical gear

• Spur gear

• Double helical gear

• Bevel gear

Which type of gear is similar to the helical gear but with two sets of teeth and is used where high torque is needed?

• Helical gear

• Straight cut spur gear

• Double helical gear

• Bevel gear

What is the primary function of the gear lever in a vehicle?

• To control the speed of the vehicle

• To manually change gear

• To steer the vehicle

• To apply the brakes

Where are gear levers typically located in a vehicle?

• On the dashboard

• On the steering wheel column or between the two front seats

• Under the driver's seat

• At Home

Which of the following is a modern variation of gear levers?

• Foot pedals

• Handbrake levers

• Finger tip buttons on the steering wheel

• Rearview mirrors

What is the function of the selector forks in a multi-rail selector system?

• To engage the clutch

• To fit into grooves in the synchronizer sleeve

• To control the fuel injection

• To adjust the brake pads

What happens when a selector fork is pushed in a multi-rail selector system?

• The clutch is disengaged

• The gear lever moves laterally

• The hub of the synchronizer sleeve moves to engage the blocking ring

• The engine speed increases

How does the lower end of the gear lever move in a multi-rail selector system?

• It moves vertically

• It moves between the three selector gates to align with one rod

• It rotates in a circular motion

• It remains stationary

What happens to the selector rod and fork when the gear lever is moved forward or backward?

• They move vertically

• They move laterally

• They rotate

• They remain stationary