Write a note on Geo-Thermal energy.

Write a note on Geo-Thermal energy.
by

1 Answer

Answer :

The energy harnessed from the hot rocks present inside the earth is called geothermal energy Holes are drilled artificially upto the hot rocks and and pipes are put through which the steam gushes out  at high pressure which turns the turbine of a generator to produce electricity
by

Related questions

Ocean Thermal Energy

Description : Ocean Thermal Energy

Last Answer : ⮚ The energy available due to the difference in temperature of water at the surface of the tropical oceans and at deeper levels is called ocean thermal energy ⮚ A difference of 20˚C or more ... high pressure vapors of the liquid are then used to turn turbine of a generator and produce electricity

What are conventional energy resources? Discuss about solar energy and Ocean thermal energy.

Description : What are conventional energy resources? Discuss about solar energy and Ocean thermal energy.

Last Answer : Conventional energy resources are natural resources, which cannot be regenerated once they are exhausted. They cannot be used again.

Write short notes on (a) Communication Satellite: (b) Geo-thermal Energy: (c) Ultrasonic:

Description : Write short notes on (a) Communication Satellite: (b) Geo-thermal Energy: (c) Ultrasonic:

Last Answer : (a) Communication Satellite: A communications satellite is an artificial satellite stationed in space for the purposes of telecommunications. Modern communications satellites use geosynchronous orbits, Molniya ... be used to break up kidney stones or for cataract treatment by phacoemulsification.

NUCLEAR ENERGY

Description : NUCLEAR ENERGY

Last Answer : Nuclear energy is non- renewable source of energy, which is released during fission (disintegration) or fusion (union) of selected radioactive materials. Nuclear power appears to be ... in the generation of electricity in spaceships, marine vessels, chemical and food-processing industry.

Bio-mass Energy

Description : Bio-mass Energy

Last Answer : ⮚ Bio-mass is the organic matter produced by the plants or animals which include wood, crop residues, cattle dung, manure, sewage ⮚ The bio-mass is directly used as a fuel but the efficiency of ... air pollution ⮚ It is therefore more useful to convert the bio-mass into bio-gas or bio-fuels

Tidal Energy

Description : Tidal Energy

Last Answer : ⮚ Ocean tides are produced by gravitational forces of sun and moon, and contain enormous amount of energy. ⮚ The tidal energy can be harnesses by constructing tidal barrage

Advantages of solar energy

Description : Advantages of solar energy

Last Answer : . Solar energy is free and it is available locally in abundance. 2. Solar energy is pollution free. 3. Systems are easy to install, generate and maintain. 4. System can be specifically ... by solar system results in an energy saving of 1200-1500units (kilowatts hours) of electricity per year.

What is nuclear energy?

Description : What is nuclear energy?

Last Answer : Nuclear energy is non- renewable source of energy, which is released during fission (disintegration) or fusion (union) of selected radioactive materials

Differentiate between renewable & non-renewable energy resources.

Description : Differentiate between renewable & non-renewable energy resources.

Last Answer : Difference in: Renewable resources 1) The resources that can be renewed by reproduction are called renewable resources. 2) Renewable resources are inexhaustible. 3) Renewable resources are not affected ... ) Some abiotic resources are non-renewable. 5) For example- fossil fuels and minerals.

. What is the application of wind energy?

Description : . What is the application of wind energy?

Last Answer : Merits of renewable energy resources ✔ Unlimited supply ✔ Provides energy security. ✔ Fits into sustainable development concept. ✔ Reliable and the devices are modular in size. ✔ Decentralized energy production

Why alternate energy resources are required?

Description : Why alternate energy resources are required?

Last Answer : ⮚ The increased power demand, depleting fossil fuel resources and growing environmental pollution have led the world to think seriously for other alternative sources of energy

What are the merits of using renewable energy resources?

Description : What are the merits of using renewable energy resources?

Last Answer : ✔ Unlimited supply ✔ Provides energy security. ✔ Fits into sustainable development concept. ✔ Reliable and the devices are modular in size. ✔ Decentralized energy production

What is meant by geo-thermal energy? -SST 10th

Description : What is meant by geo-thermal energy? -SST 10th

Last Answer : Geothermal energy refers to the heat and electricity produced by using the heat from the interior of the earth.

How is geo-thermal energy produced? Explain. -SST 10th

Description : How is geo-thermal energy produced? Explain. -SST 10th

Last Answer : The earth grows progressively hotter with increasing depth. Where the geothermal gradient is high, high temperatures are found at shallow depths. Groundwater in such areas absorbs heat from the rocks ... surface, it turns into steam. This steam is used to drive turbines and generate electricity.

Which of the following is not one of the non-conventional sources of energy in India? (a) Solar Energy (b) Geo-Thermal Energy (c) Thermal Energy (d) Tidal Power

Description : Which of the following is not one of the non-conventional sources of energy in India? (a) Solar Energy (b) Geo-Thermal Energy (c) Thermal Energy (d) Tidal Power

Last Answer : Ans: (c)

Which one of the following non-conventional energy sources can be exploited most economically? (A) Solar (B) Wind (C) Geo-thermal (D) Ocean Thermal Energy Conversion (OTEC)

Description : Which one of the following non-conventional energy sources can be exploited most economically? (A) Solar (B) Wind (C) Geo-thermal (D) Ocean Thermal Energy Conversion (OTEC)

Last Answer : Answer: A

The energy that can harness heat stored below the earth’s surface is known as ; (1) thermal energy (2) nuclear energy (3) tidal energy (4) geo-thermal energy

Description : The energy that can harness heat stored below the earth’s surface is known as ; (1) thermal energy (2) nuclear energy (3) tidal energy (4) geo-thermal energy

Last Answer : geo-thermal energy

Besides earth, there are ……………. other planets which revolves around the sun. (a) two (b) one (c) seven

Description : Besides earth, there are ……………. other planets which revolves around the sun. (a) two (b) one (c) seven

Last Answer : (c) seven

The earth’s movement around the sun is called the ………………. of the earth. (a) revolution (b) rotation (c) motion

Description : The earth’s movement around the sun is called the ………………. of the earth. (a) revolution (b) rotation (c) motion

Last Answer : (a) revolution

Our earth is a ………………….. . (a) satellite (b) moon (c) planet

Description : Our earth is a ………………….. . (a) satellite (b) moon (c) planet

Last Answer : (c) planet

Plants get their light from the …………………… . (a) rockets (b) asteroids (c) stars (d) sun

Description : Plants get their light from the …………………… . (a) rockets (b) asteroids (c) stars (d) sun

Last Answer : (c) stars

………………… do not have their own light. (a) stars (b) planets (c) bulbs

Description : ………………… do not have their own light. (a) stars (b) planets (c) bulbs

Last Answer : (b) planets

The heavenly bodies that do not twinkle are called ………………. . (a) planets (b) stars (c) rockets

Description : The heavenly bodies that do not twinkle are called ………………. . (a) planets (b) stars (c) rockets

Last Answer : (a) planets

The Sun is a …………………. . (a) planet (b) star (c) satellite

Description : The Sun is a …………………. . (a) planet (b) star (c) satellite

Last Answer : (b) star

………………….. have their own light. (a) Stars (b) Planets (c) Asteroids

Description : ………………….. have their own light. (a) Stars (b) Planets (c) Asteroids

Last Answer : (a) Stars

…………………. became the first Indian astonaut to go in space. (a) Kalpana Chaivla (b) Rakesh Sharma (c) Sunita Williams

Description : …………………. became the first Indian astonaut to go in space. (a) Kalpana Chaivla (b) Rakesh Sharma (c) Sunita Williams

Last Answer : (b) Rakesh Sharma

Scientists who travel in the spacecraft are called ……………….. . (a) astronauts (b) researchers (c) engineers

Description : Scientists who travel in the spacecraft are called ……………….. . (a) astronauts (b) researchers (c) engineers

Last Answer : (a) astronauts

…………………….. is an important Indian space mission on Mars. (a) Chandrayaan -1 (b) Mangalyaan (c) Marsyaan

Description : …………………….. is an important Indian space mission on Mars. (a) Chandrayaan -1 (b) Mangalyaan (c) Marsyaan

Last Answer : (b) Mangalyaan

The heavenly body closest to the earth is ………………. . (a) sun (b) moon (c) mercury

Description : The heavenly body closest to the earth is ………………. . (a) sun (b) moon (c) mercury

Last Answer : (b) moon

Satellites and planets get their light from the ……………….. . (a) asteroids (b) pluto (c) sun

Description : Satellites and planets get their light from the ……………….. . (a) asteroids (b) pluto (c) sun

Last Answer : (c) sun

The heavenly bodies that twinkle are called ……………………. . (a) earth (b) moon (c) stars

Description : The heavenly bodies that twinkle are called ……………………. . (a) earth (b) moon (c) stars

Last Answer : (c) Stars

What information do man-made satellites provide?

Description : What information do man-made satellites provide?

Last Answer : 1. Man made satellites provide useful information on agriculture, environment, weather, forecasting, making maps and searching for water and mineral wealth on the earth. 2. It is also used for telecommunication.

For what purpose are rockets used in space travel?

Description : For what purpose are rockets used in space travel?

Last Answer : 1. Very powerful rockets are used to send a spacecraft into space. 2. A tremendous quantity of fuel is burnt in rockets so that spacecraft weighing thousands of tons may be launched into space.

I am the nearest star to the earth.

Description : I am the nearest star to the earth.

Last Answer : The sun.

No other planet has a living world like mine.

Description : No other planet has a living world like mine.

Last Answer : Earth.

I turn around myself and revolve around the Sun.

Description : I turn around myself and revolve around the Sun.

Last Answer : Planet.

I turn around myself, around a planet and also around a star.

Description : I turn around myself, around a planet and also around a star.

Last Answer : Satellite.

I have my own light. It is only from me that the planets get light and heat.

Description : I have my own light. It is only from me that the planets get light and heat.

Last Answer : The sun.

You can see me from the earth but the lighted part of me that you see changes every day.

Description : You can see me from the earth but the lighted part of me that you see changes every day.

Last Answer : The moon.

Which planet in the Solar System is furthest from the sun?

Description : Which planet in the Solar System is furthest from the sun?

Last Answer : Neptune

Name the planets beyond the orbit of Mars in serial order.

Description : Name the planets beyond the orbit of Mars in serial order.

Last Answer : Jupiter, Saturn, Uranus and Neptune.

Which planet is placed between the earth and mercury?

Description : Which planet is placed between the earth and mercury?

Last Answer : Venus

At what position is the earth from the Sun?

Description : At what position is the earth from the Sun?

Last Answer : Third

Which planet is nearest to the Sun?

Description : Which planet is nearest to the Sun?

Last Answer : Mercury

What will happen to our solar system if the sun were to suddenly disappear?

Description : What will happen to our solar system if the sun were to suddenly disappear?

Last Answer : 1. If the sun were to suddenly disappear all life forms on earth will cease, because the sun is a source of light and heat. 2. There will be complete darkness on all planets. 3. The planets will move from their orbits and may clash against each other.

One of the asteroids have fallen out of its place in the asteroid belt and is hurling towards the sun. Our earth is in its way and there is all likelihood of a collision. What can be done to prevent this collision?

Description : One of the asteroids have fallen out of its place in the asteroid belt and is hurling towards the sun. Our earth is in its way and there is all likelihood of a collision. What can be done to prevent this collision?

Last Answer : Use the shock wave to deflect it away from earth. Which means attach three large remote controlled rockets to the asteroid turning it into a large space vehicle and move it away from a dangerous collision.

For a continuous flow type of sedimentation tanks A. Width of the tank is normally kept about 6 m B. Length of the tank is normally kept 4 to 5 times the width C. Maximum horizontal flow velocity is limited to 0.3 m/minute D. All the above

Description : For a continuous flow type of sedimentation tanks A. Width of the tank is normally kept about 6 m B. Length of the tank is normally kept 4 to 5 times the width C. Maximum horizontal flow velocity is limited to 0.3 m/minute D. All the above

Last Answer : D

What is the important feature of shifting cultivation? —

Description : What is the important feature of shifting cultivation? —

Last Answer : Change of cultivation site

Conserve Water

Description : Conserve Water

Last Answer : ⮚ Do not keep water taps running while brushing, shaving, washing or bathing. ⮚ In washing machines fill the machine only to the level required for your clothes. ⮚ Install water-saving toilets that ... ⮚ Build rain water harvesting system in your house. Even the President of India is doing this.

Environmental impact:

Description : Environmental impact:

Last Answer : Nuclear fission power reactors generate large quantities of radioactive fission waste products, which may remain dangerous for thousands of years. In addition these are no safe disposal methods. It is ... fusion (combining the small nucleus) of the atoms of certain elements such as Uranium-235