Complete dry air exists in nature.

Related MCQs

• Dry air consists of
• Which of the following is true?(here pa=partial pressure of dry air, pw=partial pressure of water vapour, p=atmospheric pressure)
• In a mixture of dry air and water vapour,
• 1.6 Kg of air is expanded at constant pressure from 100°C to 0°C resulting in entropy change of - 2.0 J/K 3.2 Kg of air is cooled at constant volume from 100°C to 0°C with a change in entropy of -3.0 J/K. The ratio Cp/ Cv is
• Cooling and dehumidification of air is done in summer air conditioning.
• When humidity ratio of air          air is said to be dehumidified.
• In a simple Rankine cycle steam was expanded from 100 bar & 380°C to 1 bar 0.8 dry state. The pump motor consumes 10 kJ/kg of energy. The efficiency of cycle is
• Above critical point, a substance exists as
• Which of the following exists in a p-V diagram for water?
• If a relation exists among variables x,y,z then z may be expressed as a function of x and y as, dz=Mdx+Ndy .