Ratio of specific heats γ = cp/cv: decide its magnitude For a gas, compare the ratio of specific heats γ = cp/cv with unity. Choose the correct relation.
Mechanical Engineering
Thermodynamics
Difficulty: Easy
Choose an option
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AEqual to one
-
BLess than one
-
CGreater than one
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DNone of these
Answer
Correct Answer: Greater than one
Explanation
Concept/Approach
- For ideal gases: cp − cv = R > 0 ⇒ cp > cv.
- Therefore γ = cp/cv > 1.
Final AnswerGreater than one