LITE - Basic Machine Components

What is this called?

• Planetary Transmission

• Torque Converter

• Countershaft Transmission

• Engine

Gear ratio is ____________ proportional to torque. The ________ the gear ratio, the _________ the torque to the driven component.

• inversely, greater, lower

• directly, greater, greater

• not, greater, not affected

The life of a clutch is shortened most by _________.

• pressure

• oil cleanliness

• Chuck Norris

• temperature

A fluid coupling between the engine and transmission is called a ______________.

• torsional coupler

• torque converter

• flywheel

Shift Control Logic (SCL) tells the transmission __________.

• how to shift

• when to shift

• when to accelerate

• how to shutdown

The main function of the Lower Powertrain is to _______.

• create power for propulsion

• convert engine speed and torque into varying speeds and torques.

• perform useful work in movement of dirt and material

• transmit power to the ground

A differential allows the left and right wheels to spin independently while the machine is ________________.

• driving straight ahead

• turning

• slipping the main drive wheels

• stopping

A spiral bevel gear is primarily used to _________.

• change the direction of engine rotation to forward and reverse motion of the machine

• reduce torque from transmission to lower powertrain

• enable full braking capacity at the final drives

• set and maintain the gear ratio of the entire lower powertrain

What important component is usually coupled with a final drive?

• transmission

• torque converter

• parking brake

• service brake

Which of the following factors dramatically reduces lower powertrain life?

• engine power

• oil cleanliness

• transmission gear ratio

• engine overspeed