Practice Test: Question Set - 22
1. Which is the most desirable component of a good quality kerosene?
- (A) i-paraffins
- (B) Aromatics
- (C) n-paraffins
- (D) Naphthenes
2. Which one is preferred for aircraft engine?
- (A) High viscosity index
lube oil
- (B) Low viscosity index lube
oil
- (C) High freezing point
aviation fuel
- (D) None of these
3. Petroleum is believed to have originated from __________ sources.
- (A) Vegetable
- (B) Animal
- (C) Both (a) and (b)
- (D) Neither (a) nor (b)
4. Octane numbers of motor gasoline used in India and America are respectively
- (A) 87 & 94
- (B) 94 & 87
- (C) 94 & 100
- (D) 83 & 100
5. The yield of straight run LPG from crude oil is about __________ weight percent.
- (A) 20-25
- (B) 1-1.5
- (C) 10-15
- (D) 0.1-0.2
6. Petroleum coke is used mainly in the
- (A) Discoloration of
yellow glycerine
- (B) Sugar refining
- (C) Manufacture of carbon
electrode
- (D) Blast furnace for
reduction of iron ore
7. LSHS is a type of furnace oil, which
- (A) Is more viscous than
high viscosity furnace oil (HVFO)
- (B) Stands for low
sulphur heavy stock
- (C) Is an ideal fuel for
metallurgical furnaces due to its lower sulphur content (< 1%)
- (D) All (a), (b) and (c)
8. Performance number of a liquid fuel is related to its
- (A) Wax content
- (B) Spontaneous
ignition temperature
- (C) Knocking
tendency
- (D) Sulphur content
9. Pick out the wrong statement.
- (A) Lower boiling
paraffins have higher octane number than higher paraffins
- (B) Dehydrogenation
of naphthenes to aromatics is a desirable reaction in reforming process
- (C) The most ideal
feedstock for thermal reforming is dearomatised kerosene
- (D) Catalyst
used in catalytic reforming is platinum on silica-alumina base
10. Sulphuric acid treatment of petroleum products removes the __________ materials.
- (A) Gum forming
- (B) Color
forming
- (C) Asphaltic
- (D) All (a), (b) &
(c)
11. Doctor's solution used for sweetening of petroleum products is
- (A) Sodium
plumbite
- (B) Sodium
sulphite
- (C) Sodium
thiosulphate
- (D) Lead
sulphate
12. Mercapsol and Unisol processes are meant for the
- (A) Dearomatization
of kerosene
- (B) Removal
of mercaptans
- (C) Dewaxing
- (D) Decoloration
13. Petroleum deposits are detected by the.
- (A) Oil seepage at the
surface of the earth
- (B) Measurement of
density, elasticity and magnetic & electric properties of the rock in the
crust of the earth
- (C) Age & nature of
rocks inside the crust of the earth
- (D) All (a), (b) and (c)
14. The doctor's solution comprises of sodium plumbite in
- (A) Alcohol
- (B) Water
- (C) Aqueous caustic soda
- (D) Soda ash
15. Petroleum coke is commercially produced by the __________ process.
- (A) Hydrocracking
- (B) Visbreaking
- (C) Fluid
catalytic cracking
- (D) Delayed coking
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