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:

Military Expansion

The growth and increase in size or scope of a country's armed forces or territorial reach.

Social Trap

A situation where a group or individual acts in a way that benefits them in the short term but ultimately leads to a situation that is damaging to all parties in the long term.

Collective Destruction

The act of a group causing harm or damage intentionally or unintentionally, often through a shared ideology or goal.

Reciprocity Norm

A social norm that expects individuals to respond to each other in kind, rewarding kind actions with kindness.