A. Causes olefins to combine with each other
B. Causes olefins to combine with iso-paraffins
C. Converts iso-paraffin into olefin
D. Converts olefin into paraffin
Related Mcqs:
- Liquefied Petroleum Gas (LPG) is mainly a mixture of _____________________?
A. Propane & butane
B. Methane & ethane
C. High boiling olefins
D. High boiling naphthenes - Gasoline extracted from natural gas (by compression and cooling) is called the ___________ gasoline?
A. Polymer
B. Unleaded
C. Casing head
D. Straight run - The most widely used crude topping column in refineries is the ______________ column?
A. Bubble-cap
B. Packed bed
C. Fluidised bed
D. Perforated plate - Pick out the additive property of lube oil out of following ?
A. °API gravity
B. Specific gravity
C. Viscosity
D. Flashpoint - 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 - Pick out the wrong statement ?
A. Iso-paraffin crack faster than n-paraffin.
B. Catalytic cracking is endothermic, but the regeneration of catalyst is exothermic
C. Rate of decomposition of olefins in catalytic cracking is slightly slower than the thermal cracking
D. None of these - Pick out the undesirable property for a solvent meant for dewaxing of lube oil ?
A. Complete miscibility with oil
B. High solubility of wax in the solvent
C. Both A. and B.
D. Neither A. nor B. - Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about ______________ kg/cm2?
A. 1.5
B. 3
C. 6
D. 12 - The catalytic cracking of heavier petroleum fraction is done to produce mainly____________________?
A. Gasoline
B. Asphalt
C. Diesel oil
D. Tar - Presence of sulphur in gasoline___________________?
A. Leads to corrosion
B. Increases lead susceptibility
C. Decreases gum formation
D. Helps during stabilisation
