Engineering Thermodynamics
The volumetric or molar specific heat at constant pressure is the product of

None of the listed here
Molecular mass of the gas and the gas constant
Atomic mass of the gas and the gas constant
Molecular mass of the gas and the specific heat at constant volume

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Engineering Thermodynamics
Otto cycle consists of

Two constant volume and two isothermal processes
Two constant volume and two isentropic processes
Two constant pressure and two isentropic processes
One constant pressure, one constant volume and two isentropic processes

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