Which of the following is a correct definition of conduction? Select one:
The movement of particles in gases and liquids from a warmer area to a cooler area.
O
The average kinetic energy of particles in an object or area.
Transfer of heat from a warmer object to a cooler object that touch each other.
The total amount of kinetic energy of the particles in a substance.

Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.