Correct answer
D. Green house effect
Explanation
The correct answer is Green house effect.
Tubes are held between top and bottom tube sheets in Calandria type evaporator by keeping________?
Equal masses of CH4 and H2 are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is________?
Ganister is a source of the ________?
Poisson’s ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson’s ratio for structural and pressure vessel steel may be taken as ________?
Moderating material used in a thermal-reactor should be a ________?
Main pollutants released from petroleum refineries is________?