_________ is used to prevent duralumin from corrosion.

Related MCQs

• Which of these is not a way to prevent intergranular corrosion?
• Grit chambers are constructed to prevent their accumulation in _______
• Which chemical is used for the titration of waste water for finding its chloride content?
• ________ is used to find the D.O content of sewage.
• Imhoff cone is used to measure the _______
• Determination of flow increase is used for the monitoring of ___________
• Trickling filter is used in which of the following wastewater treatment processes?
• Belt filter presses are used in which of the following process?
• Biological process is used to remove _______
• Which of the following is not commonly used as a filter material in the treatment of water?