In the first law of thermodynamics, the total energy of the system remains constant.

More Questions from Thermodynamics

• The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).
• A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as
• According to Gay-Lussac law for a perfect gas, p/T = constant, if v is kept constant.
• There is a loss of heat in an irreversible process.
• All the commercial liquid fuels are derived from natural petroleum (or crude oil).
• When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.
• The efficiency and work ratio of a simple gas turbine cycle are
• The processes occuring in open system which permit the transfer of mass to and from the system, are known as
• The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
• The universal gas constant of a gas is the product of molecular mass of the gas and the gas constant.

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