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VVT Cam Changing

VVT Cam Changing

Assessment

Interactive Video

Instructional Technology

Professional Development

Practice Problem

Hard

Created by

Alex Berry

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the main benefits of using variable valve timing in engines?

Improved fuel efficiency

Reduced engine weight

Increased engine size

Higher engine noise

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does cam changing VVT improve engine performance?

By using a single cam lobe for all valves

By switching between different camshaft profiles

By increasing the number of exhaust valves

By reducing the engine's RPM

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the engine speed reaches a certain point in a cam changing system?

The engine shuts down

The ECM locks the rocker arms together

The camshaft stops rotating

The fuel injection is paused

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using a valve idling system in VVT?

To decrease engine temperature

To reduce oil consumption

To improve air and fuel mixture consistency

To increase the number of intake valves

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do hydraulic lifters in advanced VVT systems enhance engine performance?

By stopping the engine at high speeds

By reducing the number of cam lobes

By controlling valve lift and duration

By increasing engine noise

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