Font size
WorksheetsFossil Fuels - Assessment
Total questions: 35
Worksheet time: 20mins
Consists mainly of n-Alkanes
Paraffin
Asphalt
Mixed Oil
Kerosene
Fossil Fuels are
pieces of rock that have been compacted many times
rock that contains 50% plant and animal remains
metamorphic rock
fuels that form from the remains of plant and other organisms that were buried and altered over million of years
Heating of coal in the absence of air at high temperature to produce a residue coke, tar and coal gas
metallurgical coke
hydrocarbons
carbonization.
petroleum
The ADVANTAGES of Fossil Fuels include: (Choose ALL that apply)
low cost
produce a lot of energy
cause air pollution
high cost
Primary solid fuel formed as a result of alteration of vegetable matter under favorable conditions (pressure, heat, anaerobic environment)
Which are some of the advantages of gaseous fuel?
They have low thermal efficiency.
Gaseous fuels can be easily transported through the pipes.
They have high calorific value than the solid fuels.
They do not produce any ash or smoke during burning.
Which is not a advantage of Liquid Fuels?
Their combustion is uniform and easily
controllable.
They require comparatively more storage space.
Calorific value of liquid fuel is higher than that
of solid fuels.
Liquid fuels do not yield any ash after burning.
Which is more accurate?
Ultimate Analysis
Proximate Analysis
The process of removing impurities and separating out the oil into various fractions having different boiling points.
Fractions
Boiling
Petroleum Refining
Gasoline Refinary
Used for road making and making water-proofing roofs
petrol
heavy oil
gasoline
asphalt
How come the burning of fossil fuels is NOT a sustainable practice? (Select the TWO factors that make this an unsustainable practice)
There is too much supply and not enough demand
The rate of extraction and consumption is too high
The rate of natural regeneration is too slow (over 350 million years)
The supply is infinite
The demand is too low
For humans, what is the main PURPOSE of extracting / using fossil fuels like coal and natural gas?
to produce electricity
to produce agriculture
to produce carbon dioxide
to burn it
to burn calories
What product of the petroleum refinery is consists of 15 to 18 Carbon atoms?
diesel
kerosene
wax
naphtha
What is produced in complete combustion of a fuel?
Carbon
Carbon monoxide
Carbon monoxide and water
Carbon dioxide and water
Why does incomplete combustion happen?
Because there isn't enough oxygen
Because there isn't enough carbon dioxide
Because there isn't enough fuel
Because carbon is made
Fuel may be
Solid
Liquid
Gas
All of the three
Three things that are needed for combustion are:
oxygen, nitrogen and carbon dioxide
fuel, oxygen and carbon dioxide
fuel, heat and oxygen
fuel, heat and carbon dioxide
Which of the one is a characteristic that a good fuel will contain.
high ignition temperature
incontrollable combustion
cheap and easy to transport
high storage cost and inconvenient to store
Which of the following fuels has the highest calorific value?
Wood
Coal
Hydrogen
Petrol
Which out of these is not the quality of a good fuel
high calorific value
low ignition temperature
moderate rate of combustion
low V. M. content
The dead and decayed remains of plants and animals subjected to decades of pressure and temperature under the earth’s crust is called...
Nuclear Fuel
Coal
Fossil Fuel
Artificial Fuel
H2O is a byproduct of the combustion of ALL Hydrocarbon Fuels
True
False
According to the bar graph, which fuel contains the most energy per gram?
Wood
Petroleum
Coal
Natural Gas
How is crude oil separated?
a) Crystallization
b) Fractional distillation
c) Decantation
d) Sublimation
What is NOT product of complete combustion?
carbon dioxide
water
carbon monoxide
water
The ADVANTAGES of Fossil Fuels include: (Choose ALL that apply)
low cost
produce a lot of energy
cause air pollution
high cost
Which are some of the advantages of gaseous fuel?
They have low thermal efficiency.
Gaseous fuels can be easily transported through the pipes.
They have high calorific value than the solid fuels.
They do not produce any ash or smoke during burning.
