Two Technicians Are Discussing a Vehicle with an Overheating Problem

question 27

Multiple Choice

Two technicians are discussing a vehicle with an overheating problem. There are no leaks, internal or external. The belts are in good condition, and the radiator has been removed and flow tested. Everything appears to be in good condition. A new thermostat was installed, but it did not cure the problem. Technician A says the impeller could be slipping on the water pump shaft. Technician B says the impeller blades could be corroded. Who is correct?

• A) A only
• B) B only
• C) both A and B
• D) neither A nor B

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Definitions:

Higher Order Conditioning

A learning process whereby a stimulus that has been conditioned to produce a particular response is used in turn to condition a second stimulus to produce the same response.

Extinction

In psychology, the gradual weakening and eventual disappearance of a conditioned response.

Shaping

A behavioral psychology technique that reinforces behavior closer and closer to a desired goal, used in teaching new behaviors.

Step-by-step Reinforcement

The process of enhancing desired behaviors through a systematic approach that rewards successive approximations of the target behavior.