Which of the statements is not correct? a) Gases are considered to be compressible b) Liquids are considered to be incompressible c) Mass flow rate is defined as the force per unit volume d)Mass flow rate and volumetric flow rate are related through density Volumetric flow rate is defined as volume per unit time. Which of the statements is not correct? a) Gases are considered to be compressible b) Liquids are considered to be incompressible c) Mass flow rate is defined as the force per unit volume d) Mass flow rate and volumetric flow rate are related through density Volumetric flow rate is defined as volume per unit time.