A.Castor and cotton seed oil
B.Crude petroleum
C.Both (a) & (b)
D.None of these
Related Mcqs:
- Vegetable lubricants are made from:
- Mineral lubricants are most popular for:
- The presence of oleophilic impurities in the crude petroleum causes
- The lubricants are obtained from:
- Lubricants obtained from vegetables is suitable for:
- Which of the following types of crude petroleum is the most suitable for the manufacture of bitumen?
- Suitable lubricant for 2-stroke engines is:
- Generally seeds of species growing in cool temperate and dry tropical areas need some sort of pre-sowing treatment is/are:
- Breeder seed is the progeny of:
- Progeny of a nucleus seed is referred to as: