Refer to the Minerals and Energy Resources Class 10 MCQs Questions with Answers here along with a detailed explanation. Minerals and Energy Resources Class 10 MCQs Questions with Answers. Question 1. Which is correct about Magnetite iron ore? (a) Magnetite is the most important industrial iron ore in terms of the quantity used.
Question 7. State some of the nonmetallic minerals. Answer: Nonmetallic minerals are mica, salt, potash, sulphur, granite, limestone, marble sand stone etc. Question 8. Give some examples of energy minerals. Answer: Coal, petroleum and natural gas are energy minerals. Question 9.
The electrical energy generation system which are generally used for largescale power generation using the nonrenewable energy sources are called as the conventional energy generating systems. On the contrary, the renewable energy sources also sometimes called as the nonconventional energy sources, are used to generate the electrical power ...
India's energy mix is dominated by coal with a per cent share, followed by oil (28 percent), biomass ( per cent), gas ( per cent), renewable and clean energy ( per cent) and nuclear energy ( per cent). Types of Energy resources Sources of energy Conventional sources; Commercial Coal; Petroleum; Electricity; NonCommercial ...
The output sizes are less than 20mm. Coal screening machines are most used in coal crushing plant. Flap Gate. It is provided in transferring chute to channelize the route of coal. It is equipped with electrically operated actuators. Rack and Pinion Gate. Rack and pinion gate are used to block the coal flow route require during maintenance work.
The Philippines is largely a coal consuming country with coal having the highest contribution to the power generation mix at 58% in 2021. But, local demand for coal is not limited to power generation. In 2021, the cement industry utilized % of the country's coal supply, % went to other industries such as alcohol, sinter, rubber boots ...
Unconventional Resources. The Frontier Geology Department is aptly named as its focus is the evaluation and promotion of South Africa's unconventional gas resources, including shale gas, coalbed methane, deep basin biogenic gas and gas hydrates. These are new and exciting areas of exploration about which relatively little is known and can ...
Unconventional doesn't mean shale gas but coal bed methane. To meet the rapidly increasing demand for energy and depleting conventional energy resources, a mix of unconventional resources such as coal bed methane, shale gas and gas hydrate is being looked upon as the source of redemption.
Nonconventional energy sources are not quickly depleted and may be created at a consistent pace for repeated usage. Tidal, Wind, Solar, Nuclear, Biomass, and other natural resources geothermal energy, are referred to as " nonconventional resources." Because they are pollutionfree, we can use them to generate clean energy with minimal waste.
There is a need, therefore, to develop new or "nonconventional" sources of fossil fuels to supplement the traditional crude oil supplies. These will likely be needed until at least the end of the twentyfirst century, when extensive supplies of truly renewable, or sustainable, primary energy should be available in sufficient quantities to ...
Mining Coal. Coal is extracted by two principal methods, of which there are many variants: surface mining or subsurface mining. Surface mining uses large machines to remove the soil and layers of rock known as overburden to expose coal seams that are close to the Earth's surface (figure (PageIndex{4})).Strip mining is a type of surface mining in which overburden is sequentially removed ...
Nonconventional energy scenario in US, China, India and Japan are discussed. ... It is unlikely that the conventional energy resources or coal bed methane and shale gas of the deep importing countries of China, India, and Japan will lead to their energy independence, although the shale energy resources of China and to a lesser extent India ...
6 India's scenario The coal reserves in India up to depthof 1200 metershave beenestimated bythe geologicalsurvey of India is billion tones as on 1st April, 2011, Coal deposits are chiefly located in Jharkhand, Odessa, Chhattisgarh, west Bengal, Madhya Pradesh, Andhra Pradesh, and Maharashtra. The coal production all over India during the year 2011 was million tones =
Discuss. Renewable energy sources, often known as nonconventional energy, are sources that are renewed by natural processes on a continual basis. Solar energy, wind energy, bioenergy (biofuels cultivated sustainably), hydropower, and other sustainable energy sources are some examples.
Presentation Outline Global Warming: A Real Challenge Coal Utilisation: A concern for Environment Coal: A source of Clean Energy Implementation of Clean Coal Technology: CoalbedMethane(CBM) CoalMineMethane(CMM) VentilationAirMethane(VAM) CoalGasification Development of renewable energy: A priority area
As a result, there is an urgent need to use renewable energy sources such as solar energy, wind energy, tide energy, biomass, and waste energy. These are referred to as nonconventional energy sources. It has the most extensive programs for the development of renewable energy resources. NonConventional Energy Resources are: Solar Energy.
Compared with the traditional devices, the new coal seam gas drainage machine model design has nearly 11% higher efficiency, which has obvious energy saving effects and reduces the cost of mining ...
Distribution of global nonrenewable energy resources 2020. In 2020, hard coal was estimated to account for percent of the total global nonrenewable energy resources, by far the largest ...
This paper gives a brief review of energy and CO2 emissions related topics resulting from the chemical and related industries. The main issues, challenges and opportunities are highlighted together with perspectives of process alternatives for more efficient energy consumption and CO2 emission management. Analysis of the data indicate that not all available energy resources are being utilized ...
To meet the rapidly increasing demand for energy and depleting conventional energy resources, a mix of unconventional resources such as coal bed methane, shale gas and gas hydrate is being looked upon as the source of redemption. Once a hazard of coal mining, this gas has received recent attention for its use as a viable energy source.
China's energy resource structure is rich in coal, poor in oil, and very poor in gas; therefore, coal is the primary energy resource, accounting for % of the national total energy supply in 2021 [3]. Coalbed methane (CBM) is an accessory product of the coalification process and mainly consists of methane [4].
Keywords: coal bed gas; nonbeam supported mining machine; energy efficient; incomplete noncircular gear; automatic reversing 1. Introduction Chinese coal bed methane resources are relatively ...
Coaltoliquid (CTL) is another example of a nonconventional oil source. The technology is often used in jurisdictions with limited access to oilderived liquid fuels and is energy intensive; meaning that using coal as the energy source of the process will produce more greenhouse gases [20,21]. Another nonconventional source is natural gas.
In order to solve the problem of reciprocating motion in no beam supported mining machines, putting energy saving as a starting point in Coal Bed Methane (CBM) exploitation, this paper designs a completely noncircular gear automatic reversing vertical drainage machine based on the theory of noncircular gear transmission. In the field of CBM exploitation, the use of noncircular gears is an ...
Coal, petroleum, natural gas, and nuclear energy all use finite raw materials as their primary energy source. Only renewable energy sources like sun, wind, hydro geothermal, and biomass are considered sustainable energy sources. These energy sources are more environmentally responsible and evenly dispersed.
Volvo CE is leading the charge in the battery electric vehicle (BEV) sector with five compact, batterypowered construction options in the lineup, including the L20 Electric and L25 Electric wheel ...
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