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Class 12 Compulsory English Unit 4 Technology "Hyperloop" Complete Exercise Questions Answers Full Solution



  Working with words

A.            Choose the correct words from the box to complete the following sentences.

 

Freight

Levitation

gridlock

Pneumatic

predecessor

Envisioned

Equivalent

subsonic

Turbulence

deceleration

a.              I think that covering up the facts is Equivalent to lying really.

b.             If there is not a substantial move to public transport, we will have gridlock and the whole regeneration will not work.

c.              Each new leader would blame his Levitation for all the evils of the past.

d.             We have, in fact, envisioned a better world and have made it happen.

e.              The main linear actuators of the Pneumatic systems are cylinders.

f.              The barrel was short and the bullet emerged at subsonic speed.\

g.             The city is said to receive two-fifths of the total freight delivered

           in the country.

h.             It would still take four hours to get down, in a spiral of deceleration

i.               Apparently, the magician will be doing some Levitation on the\stage tomorrow.

j.               We might be experiencing some Turbulence on this flight due to

an approaching electrical storm.


B.            Add three more words that are formed with the following prefixes.

 

a.       hyper- : hyperloop,

hypertext,

hyperspace,

hypermarket,

b.       ultra- : ultrahigh,

ultrasound,

ultrasonic,

ultralight,

c.       up-: uphill,

upgrading,

upstanding,

update,

d.      over-: overcoming,

overflowing,

overproduction

overconfident,

  e.      multi-: multibillion,       multinational,       multimedia,             multiply, 

Comprehension

Answer the following questions.

a.              What is a hyperloop? How does it work?

Ans:

      Hyperloop is an ultra-high-speed ground transportation system for passenger and cargo. It works on the low-friction environment within a tunnel or tube, individual pods seating a small group of people could then travel at extreme speeds through the tubes.

 

b.             How is hyperloop more beneficial than the traditional trains?

Ans:

   Hyperloop is more beneficial than the traditional trains because the technology offers very fast speed of transportation which is twice than the traditional trains.

c.              Does hyperloop have a successful history? How?

Ans:

      Hyperloop have a successful history because hyperloop work on the low-friction environmental within in a tunnel or tube. It is an ultra high speed ground transportation system and one successful history of hyperloop is eco-friendly.

d.             Write the contributions of Robert Goddard and Elon Musk for the development of hyperloop.

Ans:

       The contribution of Robert Goddard and Elon Musk are;

·  They run the non-believable projects.

·  They invest millions of dollars in 7this projects

e.              What relation does speed have with air resistance? Explain.

Ans:

               The relation of speed have with air resistance is, Air resistance happens when an object moves through the air. Depending on the velocity, shape, and area of the object, resistance differs. The faster an object moves and the greater its area, the higher the air resistance gets

 

f.              What are hyperloop capsules compared with? How are they similar?

Ans:

     Hyperloop capsules are compared with passenger's pod which reduces -pressure tube, effectively allowing the trains to travel at airplane speeds while still on the ground. 

 

g.             How do the passengers feel while travelling via hyperloop? What will be done to make it luxurious?

Ans:

       Right now hyperloop is at an experimental stage,

 

h.             Why does the writer doubt about the success of hyperloop? What does the success depend on?

Ans:

     I think the writer doubt the success of hyperloop because Right now hyperloop is at an experimental stage, there no test of passenger and did it is comfortable to passenger?

  The success depend upon the people, or passenger

:: According to your views after reading this unit.


 Critical thinking

a.              Is the hyperloop the future of transportation or just a dream? What do you think? Justify your opinion with suitable reasons.

Ans:

                 I think hyperloop is the future of transportation, whenever high-speed land transport is mentioned, the famed Japanese 'Shinkansen,' also known as the bullet train, comes to mind. Running since 1964, the mighty rail has continuously challenged its competition. However, in 2013, Elon Musk, one of the greatest inventors of the 21st century, put forth a new technologically advanced mass transport system called the Hyperloop. Hyperloop is envisioned not just to cut down travel times drastically between cities, but also to be cost-effective and more environmentally friendly than other transport systems currently used worldwide. Hyperloop consists of pneumatic steel tubes that transport pods to carry people from one end of the tube to another – all at supersonic speeds. The exciting part is that the pod practically floats inside the tubes and levitates from the ground by just a few centimeters. Hyperloop isn't just about speed; it also aims to be environmentally friendly.

  

 

 

b.             The number of private vehicles is increasing day by day in Nepal beyond the capacity of our infrastructure. What do you think should be done to curb the ever-growing number of private vehicles? Discuss.

Ans:

     The number of private vehicles is increasing day by day in Nepal beyond the capacity of our infrastructure.  We should curb the ever-growing number of private vehicles; we have to give first priority to public vehicles. Private vehicles should be ban, using of high number of private vehicles can cause environment degrading as well as increasing high amount of harmful gas from vehicles which cause serious problem in future. Using of unwanted natural resources like; fuel, petrol etc can be degrade the natural resources, we have to save the natural resources for the future generation by using low vehicles. Here, I provide how to reduce private vehicles in Nepal;

1.      Ensuring that the total cost of private vs. public transport is transparent.

2.      Improving digital accessibility to public transport services

3.      Incentivizing the use of cleaner vehicles

4.      Encourage behavioral change at key life stages

5.      Education to enable people to become part of the solution

6.      Future proofing development

7.      Introducing the electric vehicles which is eco-friendly with nature like; Telsa,

 

 Writing    

A.             Read the press release issued by Bahamasair about their irregular operations.

B.             Suppose you are the General Manager of Nepal Airlines. Issue a press release on behalf of the airlines about the cancellation of flights to the mountain regions due to the poor weather condition.

Ans:

       Soon available  

 Grammar  

Subject verb agreement

A.            Study the following examples.

a.              Neither she nor I am guilty.

b.             I am not sure whether you or he has created the trouble.

c.              Either the students or their English teacher is responsible for the misinformation.

d.             Neither boiling of water with the express purpose of destroying bacteria and other parasites nor other purification methods were employed in Western civilizations.

 

B.            Rewrite the following sentences with the correct form of the verbs in the brackets.

a.              The invitation is for one person. I don’t mind whether you or she (come) to the party.

= The invitation is for one person. I don’t mind whether you or she comes to the party.

 

b.             Neither the MPs nor the Prime Minister (have) felt regret for the party split.

= Neither the MPs nor the Prime Minister has felt regret for the party split.

 

c.              I don’t care whether he or she (win) the lottery.

= I don’t care whether he or she wins the lottery.

 

d.             Either the Kantipur or the Republica (be) used for the advertisement.

= Either the Kantipur or the Republica is used for the advertisement.

 

e.              She speaks in a strange accent. Neither I nor my sister (understand) her.

= She speaks in a strange accent. Neither I nor my sister understands her.

 

f.              I forgot whether the singers or the actress (be) given the Film Fair Award last year.

= I forgot whether the singers or the actress were given the Film Fair Award last year.

 

g.             Neither the tracksuit nor the pajamas (fit) me perfectly.

= Neither the tracksuit nor the pajamas fit me perfectly.

 

h.             Neither the gas fire nor the electric heaters (be) suitable for room heating.

= Neither the gas fire nor the electric heaters are suitable for room heating.

 

C.            This passage contains the agreement errors. Correct the subjects or verbs that don’t agree with each other. Remember to use present tense in your corrections.

Within the state of Arizona, Rob, along with his family, move frequently, from city to city. After his arrival, one of his first tasks are to find an apartment close to work as he do not have a car. Usually, there is many different places to choose from, and he consider cost, location, and luxury. If one apartment has a washing machine and dryer and cost four hundred dollars a month, he prefer to rent it over another apartment which have significantly less rent located two blocks from a Laundromat. Rob's family never wants to live in an apartment on the thirteenth floor since all of them fears heights. He also try to choose an apartment with landlords recommended by former tenants. Everybody know that it is important to find a responsible landlord. Rob and his wife loves to cook together when both is free, so he need a spacious, well-equipped kitchen. Rob often also look for a place with an air conditioner because there is so many scorching days and nights in Arizona. Whenever Rob find a new apartment, all of his concerns disappears. He feel relieved and call his mother. Someone understands!

Ans:

Within the state of Arizona, Rob, along with his family, moves frequently, from city to city within the state of Arizona. After his arrival, one of his first tasks is to find an apartment close to work as he does not have a car. Usually, there are many different places to choose from, and he considers cost, location, and luxury. If one apartment has a washing machine and dryer and costs four hundred dollars a month, he prefers to rent it over another apartment which have significantly less rent located two blocks from a Laundromat. Rob's family never wants to live in an apartment on the thirteenth floor since all of them fear heights. He also try to choose an apartment with landlords recommended by former tenants. Everybody knows that it is important to find a responsible landlord. Rob and his wife love to cook together when both are free. So, he needs a spacious, well-equipped kitchen. Rob often also looks for a place with an air conditioner because there are so many scorching days and nights in Arizona. Whenever Rob finds a new apartment, all of his concerns disappear. He feels relieved and calls his mother. Someone understands!


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