Thermodynamics: definition of specific heat at constant volume (cᵥ) Identify what we call the heat required to raise the temperature of a unit mass of a gas by one degree when the volume is held constant. Choose the correct option.
Mechanical Engineering
Thermodynamics
Difficulty: Easy
Choose an option
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Aspecific heat at constant volume
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Bspecific heat at constant pressure
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Ckilo Joule
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Dnone of these
Answer
Correct Answer: specific heat at constant volume
Explanation
ConceptThe specific heat at constant volume, denoted cv, is defined as the heat required per unit mass per degree temperature rise when the volume is kept constant.
Why not others?cp (specific heat at constant pressure) applies when pressure is constant; 'kilo Joule' is a unit of energy, not a definition.
Final Answerspecific heat at constant volume