Lignocellulosic biomass is derived from
Explanation
Lignocellulosic biomass is derived from wood remains i.e. plants and trees, as the wood is made of lignose and cellulose. It is recognised as a very valuable commodity.
In the 1970s there was interest in developing wind power because of _____________.
Oil crisis began in the year 1973, when the members of the Organization of Arab Petroleum Exporting Countries proclaimed an oil embargo (hindrance). This is the reason why interest has shifted to wind energy generation.
Which of the following is/are true
A. Crisis in the energy requirements due to increasing population can be solved by Non-conventional energy sources
B. Non-conventional energy sources do not pose threat to environment
Non-conventional energy sources are those energy sources which are comparatively new technologies. Most of these sources are renewable and do not poses threat to environment. With increasing population and changing way of life, the energy requirement is increasing at a fast pace. Thus non-conventional energy sources give the world an alternate source to provide for energy crunch and are also environment friendly, therefore reducing threat.
Which of the following is/are uses of non-conventional energy sources __________________.
Energy generated from natural sources like wind, tides, solar, geothermal heat, and biomass including farm and animal wastes is called non-conventional energy. It has following features like: it is pollution free, they are renewable and are abundant in nature. Non-conventional energy sources helps us to overcome the growing problems related to consumption of energy, rising prices of oil and gas, increasing use of fossil fuels causing harm to environment.
Energy produced by breakdown of organic matter in the absence of oxygen is called
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.
Which of the following is an example of a hydropower?
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.
Which of the following makes use of potential energy in the difference in height between high and low tides?
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.
The first windmill used for the production of electric power was built in which of the following countries?
Which of the following gas is present in large quantities in biogas?
Solar radiation flux is usually measured with the help of which of the following instrument?
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.
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