ETT 2072 Transmission Systems L10 - Part-time 4WD Controls

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Questions and Answers

In a part-time 4WD system, torque distribution is typically divided how between the front and rear drive-shafts?

  • 70/30 variable
  • 50/50 fixed (correct)
  • 40/60 variable
  • 60/40 fixed

What is the main drawback of part-time 4WD systems when driving on dry roadways?

  • Inability to engage four-wheel drive
  • Increased wear on the tires
  • Poor fuel economy
  • Limited cornering ability (correct)

How are shifts between two-wheel drive and four-wheel drive typically controlled in part-time 4WD systems?

  • Via the vehicle's computer
  • Shifter, electric switch, or locking hubs (correct)
  • Manual gearbox
  • Automatic transition

What is the purpose of locking hubs in a part-time 4WD system?

<p>To help prevent drive-line windup (A)</p> Signup and view all the answers

Which type of differential operation is controlled through a disc or cone-type clutch in limited-slip center differentials?

<p>Open differential (C)</p> Signup and view all the answers

What is the component between the impeller and the turbine that redirects the oil flow?

<p>Stator (B)</p> Signup and view all the answers

Which component is responsible for amplifying the transferred torque in the fluid system?

<p>Stator (B)</p> Signup and view all the answers

What is the component that mechanically connects the impeller to the engine crankshaft?

<p>Flywheel (A)</p> Signup and view all the answers

In the context of torque transfer, which component is crucial for minimizing losses in the fluid flow?

<p>Stator (C)</p> Signup and view all the answers

What is the main effect of increasing oil viscosity at low temperatures on drag torque?

<p>Increases drag torque (C)</p> Signup and view all the answers

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