Which of the following factors does not govern the mechanism of petroleum formation from organic sources ?
A. pH of the soil
B. Bacterial action
C. Heat
D. Pressure
Petroleum Refinery Engineering
Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is _______________ centistokes (or 100 Redwood I seconds) ?
Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is _______________ centistokes (or 100 Redwood I seconds) ?
A. 5
B. 25
C. 50
D. 100
Aromatics have the highest ________________ of all the hydrocarbons of same carbon atoms?
Aromatics have the highest ________________ of all the hydrocarbons of same carbon atoms?
A. Smoke point
B. Octane number
C. Cetane number
D. Viscosity
Lane and Garton classification of petroleum is based on its ____________________?
Lane and Garton classification of petroleum is based on its ____________________?
A. Composition
B. Specific gravity
C. Optical properties
D. Viscosity
Road grade bitumen is produced from vacuum residue by its ____________________?
Road grade bitumen is produced from vacuum residue by its ____________________?
A. Aeration
B. Pyrolysis
C. Hydrogenation
D. Steam reforming
Products drawn from the top to bottom of the crude oil distillation column has progressively increasing ___________________?
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.
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 ___________________?
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
Cetane number of a diesel fuel is the measure of its____________________?
Cetane number of a diesel fuel is the measure of its____________________?
A. Ignition delay
B. Smoke point
C. Viscosity
D. Oxidation stability
Water content in the crude oil as it comes out of oil well may be upto ______________ percent?
Water content in the crude oil as it comes out of oil well may be upto ______________ percent?
A. 2
B. 5
C. 10
D. 25
Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is ________________?
Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is ________________?
A. More than 100
B. Round about 100
C. Between 50 and 100
D. Less than 25