Shared Flashcard Set

Details

F SC 432 Quiz 1 Key
answers to quiz 1
18
Chemical Engineering
Undergraduate 4
12/19/2012

Additional Chemical Engineering Flashcards

 


 

Cards

Term
T/F?
crude oil contains aromatics
Definition
True
Term
T/F?
crude oil contains heteroatoms like S, N, and O
Definition
True
Term
T/F?
crude oil contains alkenes
Definition
False
Term
T/F?
crude oil contains metals such as Ni and V
Definition
True
Term
T/F?
crude oil contains naphthenes
Definition
True
Term
Which inorganic gases are typically found in crude oils?
Definition
CO2 and H2S
Term
T/F?
Iso-alkanes have lower boiling points than n-alkanes with the same carbon number
Definition
True
Term
T/F?
Organic sulfur compounds tend to concentrate in the lower boling fractions of crude oil.
Definition
False
Term
T/F?
Vapor pressure of hydrocarbons decreases with the increasing carbon number
Definition
True
Term
T/F?
Vapor pressure of hydrocarbons decreases with the increasing carbon number
Definition
True
Term
T/F?
Naphthenes have higher densities than n-alkanes with the same carbon number
Definition
True
Term
crude oil is generally classified according to ___
Definition
hydrocarbon composition
Term
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?
Definition
30.0%
Term
Characterization factors are calculated using ___
Definition
physical properties of crude oil
Term
What is your estimate (+/- 5) of the octane number of n-octane?
Definition
-10
Term
The principal reason of adding MTBE to gasoline was to ___
Definition
decrease CO emissions in the exhaust
Term
Two strategies for converting heavy ends of crude oil to distillate products are ___ and ___
Definition
carbon rejection
hydrogen addition
Term
degree of separation in a distillation process decreases in what order? (ASTM, EFV, TBP)?
Definition
TBP (best sep.)
ASTM
EFV (worst sep.)
Supporting users have an ad free experience!