
Understanding Fuel Injectors in Cars
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11th Grade

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a fuel injector in an automotive engine?
To increase the engine's horsepower
To deliver fuel into the combustion chamber
To cool the engine
To lubricate engine parts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a type of fuel injector?
Throttle body injector
Direct injector
Carburetor injector
Port injector
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a fuel injector operate in a modern engine?
It uses a mechanical pump to spray fuel
It uses an electronic signal to open and close a valve
It relies on gravity to feed fuel into the engine
It uses a vacuum to draw fuel into the combustion chamber
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common problem associated with fuel injectors?
Overheating
Clogging
Excessive noise
Oil leakage
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is commonly used for cleaning fuel injectors?
Sandblasting
Ultrasonic cleaning
High-pressure water jet
Chemical etching
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one technique used to test the functionality of a fuel injector?
Visual inspection
Compression test
Flow rate test
Spark plug test
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What impact does a malfunctioning fuel injector have on engine performance?
Increased fuel efficiency
Reduced emissions
Engine misfires
Improved acceleration
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