Correct answer
A. Consecutive
Explanation
The correct answer is Consecutive.
________ pumps are a group of vacuum pumps?
S.T.P. corresponds to ________?
Pick out the wrong statement?
Phthalic anhydride is made by the ________?
In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed ________ of the column diameter?
Baffle width is normally taken as ________ times the tank diameter?