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Carburetor and Fuel Injection Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the main purpose of the carburetor in a reciprocating engine?

a)

To compress the fuel

b)

To mix fuel and air in the correct ratio

c)

To inject fuel directly into the cylinders

d)

To lubricate the cylinders

2.

The correct air-fuel ratio for complete combustion in a reciprocating engine is approximately:

a)

8:1

b)

12:1

c)

15:1

d)

20:1

3.

Which system eliminates the risk of carburetor icing?

a)

Fuel injection system

b)

Induction system plumbing

c)

Dual ignition system

d)

Lubrication system

4.

Carburetor icing is more likely to occur when:

a)

The engine is at full throttle

b)

The relative humidity is low

c)

The temperature is between -5°C and 20°C

d)

The mixture is too rich

5.

The function of the induction system is to:

a)

Control the ignition timing

b)

Provide fuel to the cylinders

c)

Deliver the correct air-fuel mixture to the cylinders

d)

Reduce engine vibrations

6.

A major advantage of fuel injection systems compared to carburetors is:

a)

Lower engine weight

b)

Resistance to icing

c)

Simpler maintenance

d)

Ability to run on any type of fuel

7.

The Continental Powerlink FADEC system provides:

a)

Manual control of fuel and ignition

b)

Automatic digital control of fuel and ignition

c)

Only carburetor adjustment

d)

Only ignition control

8.

In a carburetor, the Venturi is used to:

a)

Increase fuel pressure

b)

Control the throttle position

c)

Create a low-pressure area to draw fuel

d)

Prevent vapor lock

9.

Which component meters the fuel flow in a fuel injection system?

a)

Injector nozzle

b)

Fuel control unit

c)

Induction manifold

d)

Magneto

10.

An excessively rich mixture may cause:

a)

Engine overheating

b)

Detonation

c)

Fouled spark plugs

d)

Higher engine efficiency