F SC 432 Quiz 1 Key – Flashcards
Unlock all answers in this set
Unlock answersquestion
T/F? crude oil contains aromatics |
answer
True |
question
T/F? crude oil contains heteroatoms like S, N, and O |
answer
True |
question
T/F? crude oil contains alkenes |
answer
False |
question
T/F? crude oil contains metals such as Ni and V |
answer
True |
question
T/F? crude oil contains naphthenes |
answer
True |
question
Which inorganic gases are typically found in crude oils? |
answer
CO2 and H2S |
question
T/F? Iso-alkanes have lower boiling points than n-alkanes with the same carbon number |
answer
True |
question
T/F? Organic sulfur compounds tend to concentrate in the lower boling fractions of crude oil. |
answer
False |
question
T/F? Vapor pressure of hydrocarbons decreases with the increasing carbon number |
answer
True |
question
T/F? Vapor pressure of hydrocarbons decreases with the increasing carbon number |
answer
True |
question
T/F? Naphthenes have higher densities than n-alkanes with the same carbon number |
answer
True |
question
crude oil is generally classified according to ___ |
answer
hydrocarbon composition |
question
Two crude oils A (Paraffins: 20%, Aromatics: 10%) and B (Naphthenes: 14% , Aromatics: 40%) are blended in A/B = 2/5 to make C. What is the naphthene content of C? |
answer
30.0% |
question
Characterization factors are calculated using ___ |
answer
physical properties of crude oil |
question
What is your estimate (+/- 5) of the octane number of n-octane? |
answer
-10 |
question
The principal reason of adding MTBE to gasoline was to ___ |
answer
decrease CO emissions in the exhaust |
question
Two strategies for converting heavy ends of crude oil to distillate products are ___ and ___ |
answer
carbon rejection hydrogen addition |
question
degree of separation in a distillation process decreases in what order? (ASTM, EFV, TBP)? |
answer
TBP (best sep.) ASTM EFV (worst sep.) |