Bananas may be one of the best foods for energy. They are an excellent source of carbohydrates, potassium and vitamin B6, all of which can. Ans: The characteristics of good source of energy are (a) It should have high calorific value. (b) It should be easy to handle. (c) It is should be easily available. Skip the Red Bull. There are better and healthier sources of energy that won't drive you into a sugar coma.
of Energy Source Good
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Get a text message when your answer is ready Phone Number is required. Phone Number is invalid. Your question has been submitted. Start your subscription to receive your answer and much more. Question-2 What is a good fuel? A good fuel would be one, i Which is easily available.
Question-3 If you could use any source of energy for heating your food, which one would you use and why? Solar energy can be used for heating food because it is easily available, it will not produce smoke and it will not release any amount of heat. Question-4 What are the disadvantages of fossil fuels?
Fossil fuels are non-renewable. Burning of coal or petroleum products causes the air pollution. The oxides of carbon, nitrogen and sulphur that are released on burning fossil fuels are acid oxides. These lead to acid rain, which affects water and soil resources.
Question-5 Why are we looking at alternate sources of energy? The fossil fuels are non-renewable sources of energy. So we need to conserve them. If we were to continue consuming these sources at such alarming rates, we would soon run out of energy.
In order to avoid this, alternate sources of energy were explored. Question-6 How has the traditional use of wind and water energy been modified for our convenience? The wind possesses kinetic energy. This energy was harnessed by windmills in the past to do mechanical work. Today, wind energy is also used to generate electricity. Another traditional source of energy was the kinetic energy of flowing water or the potential energy of water at a height.
Hydropower plants convert the potential energy of falling water into electricity. Question-7 What kind of mirror — concave, convex or plane — would be best suited for use in a solar cooker?
Plane mirror would be best suited for use in a solar cooker. A plane mirror is used as a reflector. The reflector is used to increase the area over which the solar energy is collected so that more and more heat rays of the sun may enter the solar cooker.
Question-8 What are the limitations of the energy that can be obtained from the oceans? The energy from the oceans can be obtained mainly in three forms, a Tidal energy b Ocean waves energy c Ocean thermal energy The energy potential from sea is quite large, but efficient commercial exploitation is difficult. Question-9 What is geothermal energy? Thus the geothermal energy is the heat energy from the hot rock present inside the earth. This heat can be used as a source of energy to produce electricity.
Question What are the advantages of nuclear energy? The advantages of nuclear energy is as follows, a It generates electricity. Question Can any source of energy be pollution-free? Why or why not? Yes, Solar energy does not cause any pollution. Question Hydrogen has been used as a rocket fuel.
Would you consider it a cleaner fuel than CNG? Yes, hydrogen is a cleaner fuel than CNG because of its very high colorific value, hydrogen is an extremely good fuel. Question Name two energy sources that you would consider to be renewable. Give reasons for your choices. Hydro Energy and Solar Energy Hydro energy or water energy is renewable source of electric energy, which will never get exhausted, since water is available in plenty.
Solar energy is also known as light energy, which is obtained from the sun and it will never get exhausted. Question Give the names of two energy sources that you would consider to be exhaustible. Coal and petroleum are the two energy sources that are considered to be exhaustible. They are non-renewable sources of energy and are present in a limited amount in the earth. Once exhausted, they will not be available to us again. Question A solar water heater can be used to get hot water on a a sunny day.
Question Which of the following is not an example of a bio-mass energy source? Question Most of the sources of energy we use represent stored solar energy. Question Compare and contrast fossil fuels and the Sun as direct sources of energy. Fossil fuels are non-renewable sources of energy. These non-renewable sources of energy like coal, petroleum, natural gas are present in a limited amount in the earth. The sun is the source of all energy. The sun is a renewable source of energy, provides us heat and light energy free of cost.
The energy obtained from the sun is called solar energy.
What is a good source of energy
In our daily lives, we use energy from different sources for doing work. We use Diesel to A good source of energy would be one which would do a large amount. There are 10 main different sources of energy that are used in the world to While nuclear power remains a great subject of debate as to how safe it is to use, . Solution:A good source of energy fulfils the following criteria: → It produces a lot of heat per unit mass. → It does a huge amount of work per unit.