c
The fuel used in the nuclear reactor is……….
a) cadmium
b) Uranium
c) Radium
d) Thorium
The state of coal, with lowest carbon content is
a) bituminous coal
b) anthracite coal
c) lignite
d) none of these
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The correct answer is: c) lignite Lignite, also known as brown coal, has the lowest carbon content and the highest moisture content, making it the least energy-dense form of coal. It is less efficient and produces more pollutants when burned compared to bituminous and anthracite coal. |
A unit of electricity means………………..
a) Megawatt
b) Nano watt
c) Kilowatt hour
d) Joule
Which of the following problems is associated with the burning of coal?
a) acid rain
b) carbon dioxide emissions
c) ash with toxic metal
d) all of these
Solar energy stored in material such as wood, grain, sugar, and municipal waste is called…
a) fossil fuels
b) biomass
c) geothermal energy
d) natural gas
The world faces an energy crisis because……..
a) world demand for energy will increase
b) world oil production will peak and begin to decline
c) shortages and the resulting escalation of prices can shock the economic and political order
d) all of these
B
by at 2024-11-09 08:54:10