NIOS Class 12 English Chapter 5 Solution – Fuel of the Future
NIOS Class 12 English Solution Chapter 5 Fuel of the Future . NIOS Class 12 English Chapter 5 Question Answers Download PDF. NIOS Class 12 English Notes.
NIOS Class 12 English Chapter 5 Solution
Board |
NIOS |
Class |
12th (Higher Secondary) |
Subject |
English |
Topic |
Question Answer, Solution, Notes |
5.1.
1.)
i.) The passage is about a __search___ of energy of the future.
ii.) A great deal of importance is given today to __clean______ non-polluting energy.
iii.) Some of the alternative sources of clean, non-polluting energy are: the _sun___, the _wind___, the _tides___ and _biogas___.
iv.) Wind energy is the __process___ by which wind is used to generate electricity.
v.) Wind _turbines____ are used to convert wind energy into mechanical power.
vi.) Subsequently, a ___generator______ is used to covert the mechanical power into electricity.
2.) Wind energy was used first to propel boats along the Nile as early as 5,000 B.C.
5.2.)
1.) The name of European countries that use wind energy are Netherlands and Denmark.
2.) millions Of windmills were used in United States for developing the American west during the late 19th century.
3.) The first Indian state that use wind energy is Tamil Nadu.
It can be used in Gujarat, Andhra Pradesh, Kerala and hilly regions of Maharashtra.
4.) At the centre of wind energy technology in Chennai research is done to check out various wind sites where wind energy can be tapped. Wind turbines of various sizes are checked to see if they are delivering what they promised to do.
5.3.)
1.)
i) People prefer conventional sources of energy to wind energy. F
People prefer wind and other renewable energy forms over conventional sources of generation.
ii) Like oil, wind energy will one day be totally used up. F
Wind energy is renewable resource. So no matter how much it is used today, there will still be the same supply in the future.
iii) California’s wind power plants are able to negate the bad influence of the enormous amount of pollutants its factories create. T
iv) A large number of trees are cut down to create space for wind power plants. F
wind power plants are located in the remote areas.
v) Wind power plants operate noiselessly. F
some have voiced concern over the noise produced by blades of windmills.
2.) wind energy:
Advantages: it is free, renewable resource, source of clean and non-polluting energy.
Weakness: blades of windmills produce noise, birds can fly into the rotors, it is intermittent.
Solutions: developing in remote areas, technological development.
i) Some sources of clean, renewable energy are the sun, the wind, the tides, water and biogas.
ii) Wind energy is abundant in many parts of India like Gujarat, Andhra Pradesh, Tamil nadu, Kerala and hilly regions of Maharashtra.
iii) Wind energy is free, renewable source of energy so no matter how much it is used it will give same supply in future. It is clean and non-polluting source of electricity so there is no risk of emitting pollutants or greenhouse gases.
iv) The major challenges of using wind energy are that blades of windmills produce noise, birds can fly into the rotor, it is intermittent and it does not blow always when electricity is required.
5.4.)
1.) we use passive voice to say what happens to the subject.
We use passive voice when who or what causes the action is often unknown and unimportant.
To use indirect statement we use passive voice.
2.)
A.) Cream _is churned______ (churn) and milkfat __is collected____ (collect). The remaining liquid is called butter milk. The milk fat _is whipped____ (whip) and the water in it, if any __is thrown____ (throw) away. A pinch of salt __is added____ (add) to the ball of whipped fat and __is kept____ (keep) in a butter dish.
B.) To replace the heating element of an iron, the handle along with the top cover __is removed___ (remove). In modern automatic irons, these are often removable in one piece, but in other designs two nuts secure the handle and when these __are removed___ (remove), the handle can be removed. Then the cover _is withdrawn___ (withdraw) and the iron weight __is disclosed___ (disclose), which can be raised to find the heating element. The heating element __is contained____ (contain) between two layers of a mica sheet.
Title: the issue of obesity among children.
1.) Link between T.V. viewing and Obesity
Age hrs. % increase in obesity
Earlier findings 12-17 1/week 2
Recent findings 12-17 4/day 18
Reasons:
i) Children eat more while watching TV.
ii) Soft, sweet and salty food marketing business target children for their advertising.
iii) They advertise on TV in programmes of children.
Advertisements regulated:
(1) Countries ban ads to children – less obesity Australia, the US, England, Sweden, Norway.
(2) Countries restrict ads Ireland, Belgium, Italy and Denmark.
Also Read: NIOS Class 12 English Chapter 4 Solution – Father, Dear Father