A Heat Engine Operating Between the Temperatures T₁ and T₂

question 56

Multiple Choice

A heat engine operating between the temperatures T₁ and T₂ takes in Q₁ calories at temperature T₁ and gives up Q₂ calories at temperature T₂.The efficiency of this heat engine is

• A)(Q₁ - Q₂)/Q₂
• B)(Q₁ - Q₂)/Q₁
• C)(T₂ - T₁)/T₂
• D)Q₂/(Q₁ - Q₂)
• E)T₁/(T₁ - T₂)