Commissioning and Maintenance Engineer Interview Questions and Answers

Entropy is a measure of the disorder or randomness in a system. Earth's entropy changes due to various natural processes.

• Entropy is a thermodynamic property that measures the degree of randomness or disorder in a system

• It is denoted by the symbol 'S' and has units of joules per kelvin

• Entropy always increases in a closed system, as energy is dispersed and becomes less available to do work

• Earth's entropy changes due to natural processes like weathering, erosion, and biological ...read more

There are three types of heat transfer: conduction, convection, and radiation.

• Conduction is the transfer of heat through a material without any movement of the material itself.

• Convection is the transfer of heat through the movement of fluids, such as air or water.

• Radiation is the transfer of heat through electromagnetic waves, such as the heat from the sun.

• Examples of conduction include touching a hot stove or holding a cold drink.

• Examples of convection include boiling water ...read more