Functions
The transfer gear transfers the power of the transmission to the _____________.
Differential
In an electric drive powertrain, mechanical energy from the engine rotates which component?
a. Generator b. Inverter
c. Propulsion motor d. AC/DC converter
Generator
A flywheel clutch is used mostly with what type of transmission?
Manual shift transmission
What type of gear changes the direction of the driven gear so it turns the same direction as the drive gear?
a. Bevel gear b. Idler gear
c. Pinion gear d. Spur gear
Idler gear
A torque converter transmits power using which of the following methods?
a. Pneumatics b. Fluid
c. Mechanical advantage d. Drive shaft
Fluid
8. An electric drive powertrain is electronically controlled by which component?
a. Generator b. Inverter
c. ECM d. AC/DC converter
ECM
The clearance in gear teeth that allows a slight backward movement of the gears is called __________.
a. Backlash b. Slack
c. Involute curve d. Shims
Backlash
When calculating gear ratios in a planetary gear set, which component is the largest effective member?
a. Bevel gear b. Planetary carrier
c. Ring gear d. Sun gear
Planetary carrier
Which type of drive provides no slippage, can handle high loads, and allows distance between the drive shaft and the driven shaft?
a. Gear b. Friction
c. Fluid d. Chain
Chain
Which component controls output speed, direction, and torque in a mechanical powertrain?
a. Transmission b. Torque converter
c. Final drive d. Transfer gear
Transmission
What is the main difference between a torque converter and a fluid coupling?
a. Torque converter multiplies torque
b. Fluid coupling multiplies torque
Torque converter multiplies torque
What allows the power flow in a gear train to be transferred at right angles?
a. Bevel gear set b. Idler gear
c. Pinion gear d. Spur gear
Bevel gear set
What component is normally used to interrupt the flow of power during a shift?
a. countershaft b. synchronizer
c. shift lever d. flywheel clutch
Flywheel clutch
Which component connects the power to the wheels or tracks?
a. Coupling b. Differential
c. Final drive d. Transmission
Final drive
How many combinations of speed and direction can be achieved from a single set of planetary gears?
Seven
To get reverse in a planetary gear set, which member must be held?
a. Planetary carrier b. Pinion gear
c. Ring gear d. Sun gear
Planetary carrier
Which is a basic functions of a powertrain?
a. Connect and disconnect power from the engine to the final drives(s).
b. Control engine speed while maintaining constant flow.
Connect and disconnect power from the engine to the final drives(s).
Which hydraulic mechanism multiplies torque from the engine?
a. Fluid coupling b. Torque converter
c. Flywheel clutch d. Hydraulic retarder
Torque converter
A torque divider is a torque converter integrated with a __________.
a. impeller clutch b. lockup clutch
c. planetary gear set d. stator
Planetary gear set
In gear ratios, the last number is always one. If the number on the left of the equation is greater than one, then it is indicating _____________.
A gear reduction