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Mineral and Power Resources Test - 7

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Mineral and Power Resources Test - 7
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Weekly Quiz Competition
  • Question 1
    1 / -0
    In the classification of minerals, which mineral does not form the group of valuable metallic minerals?
    Solution
    The metallic minerals are subclassified as (1) ferrous (iron, manganese, nickel, and cobalt), (2) nonferrous (copper, zinc, lead, tin, and bauxite), and (3) precious (gold, silver, and platinum). A precious metal is a rare, naturally occurring metallic chemical element of high economic value.
  • Question 2
    1 / -0

    Which of the following is an example of a hydropower?

    Solution

    Hydro power is nothing but the energy produced with the help of water. Among the given options, tidal power is the hydropower because in this the energy obtained from tides is converted into useful forms of power, mainly electricity. Though it is not used widely, it has very high potential use in future.

  • Question 3
    1 / -0
    Which of the following metals are light in weight?
    Solution
    Magnesium is the lightest structural metal currently available in the world. It's approximately 34% lighter by volume than aluminum and 50% lighter than titanium.
  • Question 4
    1 / -0

    Which of the following makes use of potential energy in the difference in height between high and low tides?

    Solution

    Potential energy is the energy possessed by a body by virtue of its position Potential energy is used in Tidal stream generator and tidal barriage to produce energy by storing water at a particular height.

  • Question 5
    1 / -0

    The first windmill used for the production of electric power was built in which of the following countries?

    Solution
    The first windmill used for the production of electric power was built in Scotland in July 1887. It was built by Prof James Blyth of Anderson's College, Glasgow. Its height was 10 metres. Wind turbine was installed in the garden of his holiday cottage. It was used to charge accumulators developed by the Frenchman Camille Alphonse Faure, to power the lighting in the cottage. 
  • Question 6
    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 7
    1 / -0
    Geothermal energy may serve as an important source of energy in _________.
    Solution

  • Question 8
    1 / -0
    Energy produced by the ocean tides is called _____.
    Solution
    Tidal energy,
    Tidal Energy is an “alternative energy” that can also be classed as a “renewable energy source”, as the Earth uses the gravitational forces of both the moon and the sun everyday to move vast quantities of water around the oceans and seas producing tides. ... These vertical shifts of water are called “tides”.
  • Question 9
    1 / -0
    Which of the following is a Geothermal resource?
    Solution
    Geothermal energy refers to the heat and electricity produced by using the heat from the interior of the Earth. Groundwater in such areas absorbs heat from the rocks and becomes hot. It is so hot that when it rises to the earth’s surface, it turns into steam. This steam is used to drive turbines and generate electricity.
  • Question 10
    1 / -0
    Geothermal energy is the thermal energy present ________.
    Solution
    Geothermal energy refers to the heat and electricity produced by using the heat from the interior of the Earth. Geothermal energy refers to the heat and electricity produced by using the heat from the interior of the Earth. Groundwater in such areas absorbs heat from the rocks and becomes hot. It is so hot that when it rises to the earth’s surface, it turns into steam. This steam is used to drive turbines and generate electricity.
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