Drive Trains and Power Systems Review

Multiple Choice

______ transmit power to output sources such as drive wheels and power takeoffs (PTOs).

• hydraulics

• clutches

• power trains

• sprockets

Multiple Choice

Parts of a clutch include the flywheel, pressure plate, and ______.

• final drive

• gear ratio

• friction disc

• sprocket

Multiple Choice

A _____ is a disc- or cone-shaped object with a series of teeth cut into its edge.

• gear

• flywheel

• clutch

• transmission

Fill in the Blank

The difference between a small driver gear and a larger driven gear is called the gear _____.

Multiple Choice

What is the gear ratio if one gear has 40 teeth and the other gear has 16 teeth?

• 2:1

• 3:1

• 1:1

• 2.5:1

Multiple Choice

If there are three gears, the gears on the end rotate in the same direction, but the gear in the middle rotates in the opposite direction.

• true

• false

Match

Match the following

• transmission in which the gear ratio changes are activated without direct operator input

• transmission with a hand-operated selector lever that allows the operator's choice of gear ratios to be transmitted through the transmission

• transmission with the ability to transfer power through fluids at rest or under pressure

automatic

mechanical

hydrostatic

• automatic

• mechanical

• hydrostatic

Fill in the Blank

A(n) _____ connects the transmission to the final drive.

Multiple Choice

Chain driven systems are obsolete. All machinery used in agriculture is belt driven.

• true

• false

Multiple Choice

A _______ is a gear-driven shaft that normally extends past the differential on the rear of the equipment. It is driven by the power source and has a splined output shaft that turns with great torque.

• drive train

• power take-off

• pulley

• output shaft

Multiple Choice

____ is the use of liquid to perform work, such as extending a cylinder to life a heavy bed.

• drive train

• power take-off

• pulley

• hydraulics

Match

Match the following

• transmits power from the transmission to the final drive

• gives operators the ability to select directional travel

• couples and decouples the engine and transmission

• transmits power to the drive wheels

differential

transmission

clutch

final drive

• differential

• transmission

• clutch

• final drive