Practice Test: Question Set - 01
1. With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products
- (A) Decreases
- (B) Increases
- (C) Remain
same
- (D) Unpredictable
from the data
2. Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke?
- (A) Naphtha
- (B) Vacuum
residue
- (C) Light gas
oil
- (D) Diesel
3. Feedstock for the production of biodiesel is
- (A) Herbal
plants
- (B) Used
vegetable oils
- (C) LSHS
- (D) Bagasse
4. Which of the following has maximum hydrogen/carbon ratio (by weight)?
- (A) Naphtha
- (B) Gasoline
- (C) Diesel
- (D) Fuel oil
5. A fuel oil consists of 4 fractions A, B, C and D. Their molar compositions and vapor pressures are given below: The vapor pressure of the fuel oil will be __________ mm Hg.
- (A) 736
- (B) 727.5
- (C) 512
- (D) 767.8
6. Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with
- (A) Methyl
alcohol
- (B) Ethyl
alcohol
- (C) Methane
- (D) Ethane
7. The first crude oil refinery of India is located at
- (A) Naharkatiya
- (B) Digboi
- (C) Kochi
- (D) Madras
8. CnH2n is the general formula for
- (A) Olefins
- (B) Naphthenes
- (C) Both (a) and
(b)
- (D) Neither (a)
nor (b)
9. The general formula of naphthenes is
- (A) CnH2n
+ 2
- (B) CnH2n-6 (where,
n ≥ 6)
- (C) CnHn-4
- (D) Same as that
for olefins i.e. CnH2n
10. Carbon percentage (by weight) in crude petroleum may be about
- (A) 65
- (B) 75
- (C) 85
- (D) 95
11. Solvent used for dewaxing of petroleum products are
- (A) Furfural
- (B) Methyl ethyl
ketone (MEK)
- (C) Propane
- (D) Both (b)
& (c)
12. In catalytic cracking, the
- (A) Gasoline
obtained has a very low octane number
- (B) Pressure
& temperature is very high
- (C) Gasoline
obtained has very high aromatic content
- (D) Gasoline
obtained has very high amount of gum forming compounds
13. Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C?
- (A) Naphtha
- (B) Petrol
- (C) Kerosene
- (D) Heavy fuel
oil
14. Pressure & temperature maintained in catalytic cracking is about
- (A) 2 atm &
500°C
- (B) 10 atm &
500°C
- (C) 30 atm &
200°C
- (D) 50 atm &
750°C
15. An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.
- (A) 5
- (B) 15
- (C) 40
- (D) 60