Second law efficiency can also be given as

Related MCQs

• Both first law efficiency and second law efficiency indicate how effectively the input has been converted into the product.
• For a power plant, second law efficiency can be given by desired output(W) / available energy(Wmax).
• Consider the following statements: The definition of 1. temperature is due to zeroth law of thermodynamics 2. entropy is due to first law of thermodynamics 3. internal energy is due to second law of thermodynamics 4. reversibility is due to Kelvin-Planck's ststement of these statements
• In case of a heat pump, second law efficiency is given as
• Second law efficiency is defined as
• The statement of third law is also called the Fowler-Guggenheim statement of the third law.
• ……… is the ratio of actual cycle efficiency to that of the ideal cycle efficiency
• The efficiency gain follows the law of diminishing return with the increase in the number of heaters.
• The first law efficiency is defined as the ratio of the output energy to the input energy.
• For proper utilization of exergy, it is desirable to make first law efficiency           and the source and use temperatures should