The Ratio of Heat Flow Q₁/Q₂ from Two Walls of Same

question 10

Multiple Choice

The ratio of heat flow Q₁/Q₂ from two walls of same thickness having their thermal conductivities as K₁ - 2K₂ will be

• A)I
• B)0.5
• C)2
• D)0.25
• E)4.0

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Definitions:

Higher Opportunity Cost

The increased potential loss of choosing one option over another, indicating a sacrifice of higher value alternatives.

Absolute Advantage

The ability of a country, individual, company or region to produce a good or service at a lower cost per unit than the cost at which any other entity produces that good or service.

Comparative Advantage

The capacity of a nation, person, business, or area to generate a product or offer a service with a smaller opportunity cost compared to its rivals.

Comparative Advantage

The ability of an individual, firm, or country to produce a good or service at a lower opportunity cost than competitors.