(a) What are lubricants? Give the detailed classification and uses of…
Previous year question for Advanced Engineering Chemistry.
Question
(a) What are lubricants? Give the detailed classification and uses of the various lubricants. (12)
(b) Calculate the total hardness of a sample of water containing the following salts per litre:
$ ext{Mg (HCO}_3)_2 = 4.8 ext{ mg, MgCl}_2 = 10.5 ext{ mg, CaSO}_4 = 25.2 ext{ mg.}$ (8)
- Year: 2022
- Subject: Advanced Engineering Chemistry