With increase in the liquid flow rate at a fixed gas... - Solved MCQs & Answer

Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of________?

Ans: Sodium chlorideRead →

MCQ #3118

TLV of mercury in potable (drinking) water is about ________ ppm?

Ans: 0.001Read →

MCQ #5204

Babbitt metal (used for making bearings) comprises of________?

Ans: Mainly tin (85%) and leadRead →