All of the Following Statements About the Air Injection System

question 11

Multiple Choice

All of the following statements about the air injection system are true EXCEPT:

• A)a diverter valve, or a similar type of device, prevents a backfire during deceleration.
• B)a one-way check valve prevents exhaust from backing up into the hoses and pump.
• C)a high-pressure vane-type pump driven by a crankshaft belt provides air.
• D)computer-controlled three-way catalyst systems include an air switching valve that moves the injected air into the exhaust manifold or into part of the catalytic converter.

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Definitions:

Physical

Relating to the body as opposed to the mind or emotions, involving bodily movements or activities.

Emotional

Pertaining to feelings or psychological states that involve a person's mood, temperament, personality, and disposition.

Critical Periods

Specific times during an organism's life span when it is especially sensitive to environmental influences or stimulations.

Natural Experiments

Observational study designs where the researcher has no control over the experiment's variables, but a natural event acts as an experimental control.