Two Engines Are Identical Except That Engine a Is Two

question 72

Multiple Choice

Two engines are identical except that engine A is two years old and engine B is new.If engine A does 15% less work than engine B under identical operating conditions,what is the ratio of the efficiencies of the two engines,eA/eB?

• A)0.10
• B)0.15
• C)0.85
• D)0.90
• E)1.0

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Definitions:

Cerebral Cortex

The outer layer of the brain's cerebral hemispheres, involved in complex functions including sensory perception, thought, language, and consciousness.

Dissociative Identity Disorder

A severe form of dissociation, a mental process which produces a lack of connection in a person's thoughts, memory, and sense of identity, formerly known as multiple personality disorder.

Altered State

A condition of consciousness distinctly different from normal waking consciousness, often brought about by drugs, meditation, hypnosis, or extreme stress.

Executive Function

A set of cognitive processes including attentional control, inhibitory control, working memory, and cognitive flexibility, essential for reasoning, problem-solving, and planning.