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Minerals and Energy Resources Test - 30

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Minerals and Energy Resources Test - 30
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Which of the following gas is present in large quantities in biogas?

    Solution

    Energy produced by breakdown of organic matter in the absence of oxygen is called biogas. It is used as gaseous fuel. Methane is present in large quantity in Biogas. The gas primarily contains methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogensulfide (H2S), moisture and siloxanes.

  • Question 2
    1 / -0
    Bauxite is known as wonder metal because ______.
    Solution
    Bauxite is basically an aluminous rock containing hydrated aluminium oxide as the main constituent and iron oxide, silica and titania in varying proportions. The corrosive resistant material, Aluminium is produced from Bauxite. Bauxite is found in various colours like white, grey, yellow, orange, red, pink, or brown. Thus, it is also known as the wonder metal.
  • Question 3
    1 / -0

    Energy produced by breakdown of organic matter in the absence of oxygen is called

    Solution

    Energy produced by breakdown of organic matter in the absence of oxygen is called biogas. It is used as gaseous fuel. Methane is present in large quantity in Biogas. The gas primarily contains methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogensulfide (H2S), moisture and siloxanes.

  • Question 4
    1 / -0

    Solar radiation flux is usually measured with the help of which of the following instrument?

    Solution

    Solar radiation flux is usually measured with the help of pyranometer. Its name is derived from Greek word ‘Pyr’ which has the meaning of fire and ‘Ano’ meaning above sky. 

  • Question 5
    1 / -0
    Which is the largest hydroelectric power project of India?
    Solution
    The Koyna Hydroelectric Project is the largest completed hydroelectric power plant in India. It is a complex project with four dams including the largest dam on the Koyna River, Maharashtra hence the name Koyna Hydroelectric Project. The site is in Satara district near Patan.
  • Question 6
    1 / -0
    India has given top priority to develop solar energy because _______.
    Solution
    Geographically, India is an ideal country for solar energy since it is a tropical country and gets around 300 days of sunshine. Moreover, peak power demand is in the evening and not during the daytime, and has a seasonal peak in the summer. 
  • Question 7
    1 / -0
    A kind of non metallic mineral is ______.
  • Question 8
    1 / -0
    The mineral found in alluvial deposits is ___________.
  • Question 9
    1 / -0
    At which place in the district of Kutchchh is the power station which utilizes lignite type of coal?
    Solution
    In the Panadhro village, in the district of Kutchchh is the Power Station, which utilises lignite type of coal. Lignite is a brown colour coal. Panadhro village has coal mines, which directly supplies coal to the power station. At present the power station has four units. 
  • Question 10
    1 / -0
    For manufacturing of which of the following, bauxite is primarily used?
    Solution
    Bauxite is the principal ore of aluminum. Airplanes and spacecraft are made of aluminum and titanium. Aluminum comes from a material called bauxite. Also, it is the indispensable material in the electric industry, machinery, and civil tool-making industry.
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