Chemical Engineering :: Petroleum Refinery Engineering
-
Choose the correct statement.
-
Which is the most effective catalyst used in catalytic cracking of petroleum products ?
-
Maximum use of petroleum coke is in
-
Carbon/hydrogen ratio (by weight) is maximum (out of following) for
-
The catalytic cracking of heavier petroleum fraction is done to produce mainly
-
Catalyst used in the catalytic cracking is
-
Specific gravity of a petroleum product gives an indication of its
-
Pick out the wrong statement.
-
The doctor's solution comprises of sodium plumbite in
-
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
|
A.
Octane number of i-octane is zero.
|
|
B.
Octane number of paraffins increases with increasing number of carbon atoms.
|
|
C.
Branched chain paraffins have higher octane number than straight chain paraffins with same number of carbon atoms.
|
|
D.
The aromatics have lower octane number than naphthenes with same number of carbon atoms.
|
Whatsapp
Facebook
|
A.
Aromatics have higher specific gravity than paraffins,
|
|
B.
Gross calorific value (GCV) of petrofuels is equal to (12400 - 2100 ρ2) where, ρ is the specific gravity of the fuel at 15.5°C.
|
|
C.
Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre).
|
|
D.
Higher specific gravity of petrofuels means higher C/H ratio.
|