Pickling a Casting

question 34

Multiple Choice

Pickling a casting:

• A) removes surface oxides.
• B) uses hot calcium carbonate.
• C) uses hot sulfuric acid.
• D) A and B.
• E) A and C.

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Definitions:

Behaviour Therapy

A type of psychotherapy that focuses on changing undesirable behaviors through reinforcement, punishment, and other learning principles.

Learned Behaviour

Behavior that an organism acquires through experience, as opposed to behaviors that are instinctive or innate.

Unlearned Behaviour

An innate or instinctive behavior that occurs without the need for learning or prior experience.

Systematic Desensitization

A therapy technique used to treat phobias and anxiety disorders by gradually exposing the patient to the feared object or context without any danger.