Science - Coal and Petroleum
Exam Duration: 45 Mins Total Questions : 30
Which of the following is a fossil fuel?
- (a)
Petroleum
- (b)
Wood
- (c)
Cow dung
- (d)
Dry leaves
Where does natural gas occur?
- (a)
Above petroleum oil
- (b)
Below petroleum oil
- (c)
Along with petroleum oil
- (d)
Inside volcanic mountains
What is the common name of petroleum?
- (a)
Black gold
- (b)
Yellow gold
- (c)
Green gold
- (d)
Blue gold
When an oil well is drilled through rocks, which of the following comes out first
- (a)
Coal gas
- (b)
Marsh gas
- (c)
Natural gas
- (d)
Carbondioxide
By what process is petroleum refined?
- (a)
Fractional distillation
- (b)
Destructive distillation
- (c)
Distillation
- (d)
All of the above
Identify the fuel that leaves more smoke and ash on burning.
- (a)
Solid fuels
- (b)
Liquid fuels
- (c)
Gaseous fuels
- (d)
Anyone of the above
What is the underlying principle based on which fractional distillation is carried out?
- (a)
Different densities of each fraction
- (b)
Different molecular weights of each fraction
- (c)
Different boiling points of each fraction
- (d)
Different melting points of each fraction
Which of the following is used as a fuel?
- (a)
Gasoline
- (b)
Ether
- (c)
Tar
- (d)
Grease
By which of the given processes is coal formed?
- (a)
Carbonisation
- (b)
Distillation
- (c)
Vapourisation
- (d)
Evaporation
Which of the following has the lowest percentage of carbon
- (a)
Lignite
- (b)
Bituminous
- (c)
Anthracite
- (d)
Peat
Which of the forms of coal has the highest percentage of carbon
- (a)
Anthracite
- (b)
Bituminous
- (c)
Peat
- (d)
Lignite
What do fuels combine with to produce heat and light?
- (a)
CO2
- (b)
CO
- (c)
H2
- (d)
O2
What does gobar gas produced from animal and plant waste contain
- (a)
Ethane
- (b)
Methane
- (c)
Propane
- (d)
Acetylene
In LPG cylinder, how is the gas liquified?
- (a)
By increasing volume
- (b)
By applying high pressure
- (c)
By increasing temperature
- (d)
By reducing pressure
In fractional distillation of petroleum, where do the vapours with highest boiling point condense?
- (a)
In the upper-most portion
- (b)
In the lower-most portion
- (c)
In the middle portion
- (d)
Cannot be said
Why is kerosene oil regarded more suitable than petrol in oil lamps
- (a)
Kerosene is heavier.
- (b)
Kerosene is expensive.
- (c)
Kerosene is less volatile.
- (d)
Kerosene is more volatile.
Where is kerosene mainly used?
- (a)
In laying down roads.
- (b)
As fuel in jet engines.
- (c)
In making water proof materials.
- (d)
In furnaces of industries
Match the entries in Column I with those in Column II
- (a)
a-l,b-2,c-3,d-4
- (b)
a-2,b-l,c-4,d-3
- (c)
a-3, b-2, c-4, d-l
- (d)
a-4, b-3, c-2, d-l
Which of these is the main constituent of petroleum gas?
- (a)
Butane
- (b)
Propane
- (c)
Methane
- (d)
Ethane
What is the source of fly ash?
- (a)
Petroleum
- (b)
Natural gas
- (c)
Coal
- (d)
All of the above
Which one of the following is NOT a fossil fuel?
- (a)
Coal
- (b)
Biogas
- (c)
Petroleum
- (d)
Natural gas
Study the characteristics given below:
Based on the above characteristics, identify it from the following
- (a)
Kerosene
- (b)
Petrol
- (c)
Coke
- (d)
Lubricating oil
Which of the following statements is true about petroleum
- (a)
Lighter than water and soluble in it.
- (b)
Heavier than water and insoluble in it.
- (c)
Lighter than water and insoluble in it.
- (d)
Heavier than water and soluble in it.
Which of the following properties is NOT a characteristic of a good fuel
- (a)
High ignition temperature
- (b)
Low cost
- (c)
Causes minimum pollution
- (d)
Readily available
Why is producer gas not a good fuel?
- (a)
It contains CO which is poisonous.
- (b)
It contains CO2 which is abundant.
- (c)
It contains CO2 which does not burn.
- (d)
It contains N2 which does not burn.
Which of the following is most harmful for the human body?
- (a)
CO
- (b)
CO2
- (c)
Oxides of nitrogen
- (d)
Lead compounds
What are the characteristics of a rocket fuel?
- (a)
Light and compact
- (b)
High calorific value
- (c)
Burns rapidly
- (d)
All of the above
Which of the following is formed during the process of anaerobic fermentation?
- (a)
Biogas
- (b)
Natural gas
- (c)
Water gas
- (d)
Petroleum
How is coke superior than coal as a fuel?
- (a)
Coal is a mineral and burns releasing smoke while coke is a residue.
- (b)
Coal is an impure form of carbon, while coke is a pure form of carbon.
- (c)
Only coal consists of atoms of carbon, hydrogen, oxygen and sulphur while coke mainly consists of carbon.
- (d)
All of the above
Which of the following is in descending order of the quality of coal
- (a)
Peat> bituminous> lignite> anthracite
- (b)
Bituminous> peat> lignite> anthracite
- (c)
Anthracite> bituminous> lignite> peat
- (d)
Lignite> anthracite> bituminous> peat