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.Management Sciences
Category: Petroleum Refinery Engineering
The conductivity of crude oil-water mixture depends on the__________________?
0
A. pH value
B. Water percentage
C. Temperature
D. All A., B. and C.
Operating condition in the electrical dehydrators for crude oil is about____________________?
A. 6.5 kgf/Cm2 & 95°C
B. 1 atm. & 110 °C
C. 20 kgf/cm2 & 110°C
D. 50 atm. and 150°C
Aromatics are desired constituents of____________________?
A. Lubricating oil
B. Diesel
C. Kerosene
D. Petrol
____________ is not an important refinery process for upgrading the quality of lubricating oil ?
A. Deoiling
B. Solvent refining
C. Clay treatment
D. Hydro-treatment
Isomerisation converts the ___________________ tot-paraffins?
A. Paraffins
B. Olefins
C. Naphthenes
D. None of these
Platforming is a ____________ process?
A. Moving bed
B. Fluidised bed
C. Non-regenerative & fixed bed
D. Regenerative
The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to ____________________?
A. Obviate catalyst poisoning
B. Maintain the reaction temperature
C. Sustain the reactor pressure
D. Hydrogenate the feed stock
Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely miscible. It means that the aniline point of the diesel is _______________ the room temperature?
A. More than
B. Less than
C. Same as
D. Either more or less; depends on the room temperature
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