Two Engines Are Identical Except That Engine a Is Two

question 77

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, e_A/e_B?

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

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Definitions:

Comparison Level

A standard against which current experiences or relationships are judged, based on past experiences.

Norm of Homogamy

A social norm that suggests individuals tend to form romantic relationships with others who are similar to them in aspects like socio-economic status, beliefs, or age.

Romantic Love Ideal

Five beliefs regarding love, including the belief (1) in love at first sight, (2) that there is one and only one true love for each person, (3) that love conquers all, (4) that our beloved is (nearly) perfect, and (5) that one should follow his or her heart.

Living-Alone-Together

A relationship arrangement where committed partners maintain separate residences but are in a long-term, intimate relationship.