Correct answer
B. water vapour in air
Explanation
The correct answer is water vapour in air.
The notch angle of the Izod impact test specimen is________?
According to Prevost theory of heat exchange ________?
A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury?
The critical pressure at which latent heat of vaporisation is zero is________?
The unit of temperature in S.I. units is ________?
The fuel in diesel engine is normally injected at pressure of________?