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Common Rail Fuel Injection

Authored by Mr. Schroth

Instructional Technology

University

Used 1+ times

 Common Rail Fuel Injection
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33 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: ________ is the most recent development in high-pressure injection systems.

Common rail fuel injection

Distributor pump system

Unit injector system

Mechanical fuel injection

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum fuel pressure that new technology allows to be managed in common rail fuel systems?

37,500 psi

25,000 psi

15,000 psi

10,000 psi

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are two benefits of new technology in common rail fuel systems?

Increased emissions and reduced fuel efficiency

Almost no emissions and increased fuel efficiency

Reduced control of injectors

Lower fuel pressures

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the advantages of Common Rail Fuel Systems?

Low-injection pressures and slow-acting injectors

High-injection pressures, fast-acting injectors, and electronic controls

Manual controls and low-emission gasoline engines

None of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In common rail fuel systems, fuel is pressurized regardless of engine speed for optimal fuel efficiency and low emissions.

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Higher Pressurization Systems in development could reach more than ______ psi.

45,000

10,000

25,000

60,000

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: CR injectors use ________ design, allowing electrical solenoid to trigger servo valve and provide a short duration injection.

servo-hydraulic

mechanical

pneumatic

piezoelectric

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