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Electronic Fuel Injection Systems Quiz

Authored by Michael Groah

Other

11th Grade

Used 13+ times

Electronic Fuel Injection Systems Quiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define open loop/closed loop as it pertains to electronic fuel injection systems.

Open loop uses feedback from sensors; closed loop does not.

Open loop does not use feedback from sensors; closed loop does.

Both open and closed loop use feedback from sensors.

Neither open nor closed loop use feedback from sensors.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are the fuel injectors located in a TBI or throttle body injection system?

In the exhaust manifold

In the throttle body

In the fuel tank

In the air filter

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

In an eight-cylinder engine, how many injectors are usually present in a TBI system?

2

4

8

16

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the difference between direct and indirect injection.

Direct injection sprays fuel into the intake manifold; indirect sprays into the combustion chamber.

Direct injection sprays fuel into the combustion chamber; indirect sprays into the intake manifold.

Both direct and indirect injection spray fuel into the combustion chamber.

Both direct and indirect injection spray fuel into the intake manifold.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sensor located in the exhaust for electronic fuel injection?

Oxygen sensor

Temperature sensor

Pressure sensor

Speed sensor

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does an electronic fuel injection system deliver more or less fuel?

By changing the air filter

By adjusting the fuel pump speed

By altering the injector pulse width

By modifying the exhaust system

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name a sensor used in an electronic fuel injection system.

Light sensor

Oxygen sensor

Sound sensor

Vibration sensor

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