A. Salt from the crude oil
B. Colour & dissolved gases from cracked gasoline
C. Wax from lube oil
D. None of these
Related Mcqs:
- Clay treatment of petroleum products __________________?
A. Decolorizes & stabilises cracked gasoline
B. Desulphurise straight run gasoline & kerosene
C. Adsorb arsenic from feedstock to catalytic reforming
D. All A., B. & C. - ________________ treatment is done for appreciable improvement in viscosity index of lubricating oil?
A. Acid
B. Solvent extraction
C. Alkali
D. Clay - Solution used in Doctor’s treatment for the removal of mercaptans is_________________?
A. Sodium hydroxide
B. Sodium plumbite
C. Cupric chloride
D. Potassium isobutyrate - Hydrocracking employs ___________________?
A. High pressure & temperature
B. Low pressure & temperature
C. High pressure and low temperature
D. High temperature and low pressure - Diesel used in naval applications has a minimum cetane number of ___________________?
A. 25
B. 35
C. 45
D. 65 - Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octane is chemically known as ___________________?
A. α-methyl naphthalene
B. 2-2-4 tri methyl pentane
C. 1, 3 butadiene
D. Tetra methyl ethylene - Products drawn from the top to bottom of the crude oil distillation column has progressively increasing ___________________?
A. Boiling points
B. Molecular weight
C. C/H ratio
D. All A., B. and C. - Isomerisation converts the ___________________ tot-paraffins?
A. Paraffins
B. Olefins
C. Naphthenes
D. None of these - The most commonly used feed stock for the reforming reactor is ___________________?
A. Heavy fuel oil
B. Residuum
C. Straight run gasoline
D. Casing head gasoline - Naphthenic acid is represented by ___________________?
A. CnH2n+2O2
B. CnH2n-2O2
C. CnH2n+2O2 (n ≥ 6)
D. CnH2n+6O2 (n ≤ 6)
