Quiz on Fuel and Engine Systems

What is the focus of section 1.2 in the learning material?

• Interaction between electrical, electronic, and mechanical components

• Construction of hydraulic systems

• Design of solar energy systems

• Development of wind energy systems

What does the diagram in the document likely illustrate?

• Engine temperature variations

• Air-fuel ratio and engine performance

• Vehicle speed and fuel consumption

• Engine size and power output

What is the primary function of the throttle valve?

• Increase air pressure

• Control air and fuel mixture flow

• Block fuel flow

• Reduce engine noise

What is the purpose of the air filter in a carburetor system?

• Increase air pressure

• Clean the air entering the carburetor

• Block fuel flow

• Reduce engine noise

What does a carburrettor do to liquid petrol?

• Solidifies it

• Atomises it

• Colors it

• Freezes it

How can fuel pumps be operated?

• Manually only

• Electrically or mechanically

• Hydraulically only

• Pneumatically only

What is the role of the accelerator pedal sensor in the system?

• To measure ambient pressure

• To detect vehicle speed

• To filter diesel

• To limit pressure

On classic diesel engine vehicles, the fuel injection is controlled by the?

• Mechanical governor

• carburetor
• engine control unit
• fuel injection pump

A symptom of a blocked air filter is

• Lambda sensor low voltage

• Lambda sensor high voltage

• Air flow meter open circuit

• Map sensor open circuit

A symptom of injector dribble is?

• Black smoke/ over fuelling

• White smoke/ over fuelling

• Blue smoke/ over fuelling

• Decreased fuel consumption