Test on Aircraft Engine Fuel Systems

Question 1: On a Teledyne-Continental fuel injection system, when the mixture control is in the IDLE CUTOFF position, all fuel goes to the manifold valve.

A. Ano

B. Ne

Explanation: When the mixture control is in the IDLE CUTOFF position, all fuel is returned to the pump inlet, not sent to the manifold valve.

Question 2: What is the function of the de-richment valve in a pressure carburetor when an antidetonation injection (ADI) system is active?

A. It opens to enrich the air-fuel mixture.

B. It automatically closes to lean the air-fuel mixture.

C. It ensures the mixture remains rich during ADI flow.

D. It opens to return the mixture to its rich condition.

Explanation: The de-richment valve automatically closes to lean the air-fuel mixture when ADI fluid is flowing. As soon as the ADI fluid stops flowing, the de-richment valve opens and the mixture returns to its rich condition.

Question 3: The provided study materials detail specific applications of electro-hydromechanical systems.

A. Ano

B. Ne

Explanation: The study materials list 'Hydropneumatic and electro-hydromechanical' but do not describe any specific applications for either system.

Question 4: The study materials detail the design principles of electro-hydromechanical systems.

A. Ano

B. Ne

Explanation: The provided study materials only list 'Hydropneumatic and electro-hydromechanical' as terms. They do not offer any details, principles, or descriptions of their design.

Question 5: Based on the provided study materials, what information is offered regarding an overview of electro-hydromechanical systems?

A. Details on the operational principles

B. Specific applications in various industries

C. An outline of its key components

D. Only its name is mentioned

Explanation: The study materials simply list 'Hydropneumatic and electro-hydromechanical'. They do not provide any overview, operational principles, applications, or component outlines for electro-hydromechanical systems.