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Guide on Academic and Scientific Talks. Учебное пособие

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2.5.Electric Power Systems and Electrical Equipment

4.Lateral parts of the plate are symmetrically curved downwards relative to the longitudinal _____ thereof.

5.Will this material sink or_____?

6.Their _____ was the recovery of the space capsule.

7.The island is a _____ slip of sand-hills.

8.A number of skills are made _____ by technological advance.

9.There is no obvious _____ to the problem.

10.A smaller _____ will consume less fuel.

4. What words do you think are missing? Write one word in each space

1.NASA hopes it will give us a different view of things and allow us to study

_____ and craters and all the other places that rovers, like this one, simply can get to.

2.It’s got _____ cells, batteries, two cameras, computer systems, navigation systems.

3.This machine will be _____ by itself, flying by itself and landing by itself.

4.On December the 17, 1903, the history of the aviation was changed forever when the Wright brothers made the world's first successful_____.

5.To make the aircraft move forward, two propeller _____ were used.

6.They painted the crank case black so that their _____ would not know about the construction material.

7.To have a successfully flight, the Wrights had to control their plane in three

_____ .

8.It is astonishing to discover that the Wright brothers thought about such detailed engineering points, despite their limited formal_____ .

9.Did you notice that the pilot's position was not in the middle of the _____?

10.So one of the first things we need is we need an aircraft that can take off and

_____ in small spaces.

2.5.Electric Power Systems and Electrical Equipment

2.5.1.How Free Energy Will Change the World

1.Match the terms and their definitions

1. grid

a) good at thinking of and doing new and difficult

 

things, especially things that will make money

 

 

41

 

 

2. Practical Aspects of Academic and Scientific Talks

 

 

 

 

 

 

 

 

 

 

 

2.

initial

 

b) to connect an electrical device to an electrical system

 

 

 

 

 

or device so that it can be used, by pushing its plug into

 

 

 

 

 

a socket

 

 

 

 

 

 

3.

enterprising

 

c) the relative speed of progress or change

 

 

 

 

 

 

4.

renewable

 

d) something that is added to something else in order to

 

 

 

 

 

improve it or complete it; something extra

 

 

 

 

 

 

5.

income

 

e) a type of energy that can produce light and heat, or

 

 

 

 

 

make machines work

 

 

 

 

 

 

6.

rate

 

f) a system of wires through which electricity is

 

 

 

 

 

connected to different power stations across a region

 

 

 

 

 

 

7.

impact

 

g) the part of a piece of equipment, especially electrical

 

 

 

 

 

equipment, into which another part fits

 

 

 

 

 

 

8.

flexibility

 

h) not happening regularly or continuously; stopping and

 

 

 

 

 

starting repeatedly or with periods in between

 

 

 

 

 

 

 

9.

torch

 

i)

to make a picture or idea appear in someone's mind

 

 

 

 

 

 

10. socket

 

j)

of or at the beginning; first

 

 

 

 

 

11. plug

 

k) the financial gain (earned or unearned) accruing over a

 

 

 

 

 

given period of time

 

 

 

 

 

 

12. intermittent

 

l)

the ability to change or be changed easily according to

 

 

 

 

 

the situation

 

 

 

 

 

13. supplement

 

m) forms of energy can be produced as quickly as they

 

 

 

 

 

are used

 

 

 

 

 

14. conjure up

 

n) a thick stick with material that burns tied to the top of

 

 

 

 

 

it, used to give light

 

 

 

 

 

15. electricity

 

o) a forceful consequence; a strong effect

 

 

 

 

 

 

 

2. Watch the video answer the following questions

1.Are there any people in the world who cannot afford electricity?

2.What does it mean “to be a technology pioneer”?

3.Why does electricity in far-flung distances become expensive?

4.What are the three big problems related to electricity?

5.What kind of power station does a calculator have?

6.How can we provide the energy that the household need without using traditional ways of getting electricity?

42

2.5.Electric Power Systems and Electrical Equipment

7.In what parts of the world are solar power stations the most effective way of gaining electricity?

8.Are there any advantages in using solar power stations? What are they?

9.What are the main directions of energy use in Nigeria?

10.Is it possible for most of the people in the world to use solar energy in their everyday life? What benefits may it bring to them?

3. Discuss the following questions

1.What alternative sources of electricity are used in our country?

2.Why isn’t the usage of solar energy for our country always relevant compared to African countries?

3.Which of the sources of alternative electricity is the most popular in Russia? In which regions is it most widespread?

4.What alternative source of electricity has been used in Rostov region since 2020?

5.Can alternative energy sources completely replace traditional ones?

2.5.2.How Does the Power Grid Work?

1.Match the words from column A and column B to make a word combination

 

A

 

B

 

 

 

 

1.

electrical

a)

line

 

 

 

 

2.

power

b)

sloshes

 

 

 

 

3.

alternating

c)

variations

 

 

 

 

4.

transmission

d)

grid

 

 

 

 

5.

renewable

e)

losses

 

 

 

 

6.

irregular

f)

panel

 

 

 

 

7.

unsecured

g)

direction

 

 

 

 

8.

power

h)

infrastructure

 

 

 

 

9.

unpredictable

i)

voltage

 

 

 

10. solar

j)

faults

 

 

 

 

43

2. Practical Aspects of Academic and Scientific Talks

11. minimize

k)

current

 

 

 

12. populated

l)

networks

 

 

13. potential

m) plant

 

 

 

14. single

n)

area

 

 

 

15. practical

o)

sources

 

 

 

2. Watch the video answer the following questions

1.What things does the electricity make possible in the modern world?

2.How many electrical grids are there in North America?

3.What is the common feature of different types of power plants?

4.When do transformers usually step down the power back to safer voltage?

5.What kind of current is used in the vast majority of power grids?

6.What is the major advantage of AC?

7.Why is it helpful to think about the grid as a marketplace?

8.How many goals that engineers use to design and maintain the power grid are there?

9.What devices are used to create a smart grid?

10.How can the smart grid help the humanity?

3. Discuss the following questions

1.How is the energy system arranged in Russia?

2.How many combined energy systems are included in the unified energy system of Russia? What are they?

3.What kind of current is used in the power grid in our country?

4.What is the difference between the alternating current, that is used in North America and that is used in Russia?

5.Why do most people take the electrical grid for granted?

2.5.3.Electrical System Design

1.Match the words from column A to their opposites from column B

 

A

 

B

 

 

 

 

1.

incorporate

a)

partly

 

 

 

 

2.

voluntary

b)

terminate

 

 

 

 

44

2.5. Electric Power Systems and Electrical Equipment

3.

uninterruptedly

c)

main

 

 

 

 

4.

continue

d)

planned

 

 

 

 

5.

familiar

e)

separate

 

 

 

 

6.

incorporate

f)

absence

 

 

 

 

7.

standby

g)

mandatory

 

 

 

 

8.

revised

h)

forbid

 

 

 

 

9.

existing

i)

threatening

 

 

 

10.uninterrupted

j)

disconnect

 

 

 

11.presence

k)

absolute

 

 

 

12.completely

l)

never

 

 

13.protective

m) primordial

 

 

14.comparative

n) unknown

 

 

 

15.permit

o)

discontinuous

 

 

 

 

2. Watch the video and answer the following questions

1.What do electrical engineers plan to develop their vision for projects?

2.What does a building energy consumption analysis determine?

3.What do the energy conservation techniques developed by engineers depend on?

4.Where does getting the electrical rating often take place?

5.Where are panel boards usually located?

6.What do the engineers check after computing the wiring sizes and protective equipment ratings?

7.How do the electrical engineers use the interior design drawings?

8.What should the electrical engineers coordinate?

9.How often is the NEC revised?

10.Which organizations are standards for electrical and communications systems set by?

3. Discuss the following questions

1.What phases does the design of electrical systems consist of?

2.What graphic documents do electrical engineers develop while designing the electrical systems?

45

2.Practical Aspects of Academic and Scientific Talks

3.Why is it necessary to calculate the total building electrical power load?

4.Why is the placement of electrical systems necessary to coordinate with the architect?

5.Which organizations set standards for electrical systems in Russia?

2.5.4.Revision Exercises

1.Circle the correct word or phrase to complete each sentence

1.And what that means is that rural / urban electricity is very often lossmaking.

2.When it comes to electricity, we often imagine a coal-fired / nuclear power station.

3.In fact, in Kenya / Nigeria more people are getting energy from the first time from solar power than are getting people energy from the first time by getting a new connection on the grid.

4.The basic function of generating electricity and delivering / receiving it to those who need.

5.Most power plants are located away from populated areas, so that electricity they create needs to be efficiently transported. That’s handled by highvoltage transmission / feeder lines.

6.The major advantage of DC / AC power is that it’s easy to step up or down voltages.

7.For the most part, electrical demand / supply follows a fairly consistent pattern, but factors like extreme weather can make it difficult to forecast.

8.Once electricity reaches populated areas, transformers then step down / step up the power back to a safer and more practical voltage.

9.A building energy consumption / accumulation analysis determines whether the building design will meet the target electrical energy budget.

10.The engineer will incorporate energy conservation devices and techniques and draw down / draw up energy use guidelines.

2. Look at these sentences from the video and choose the phrase that is the closest in meaning to the phrase in bold

1. And what that means is that rural electricity is very often loss-making. a. deficient b. profitable

46

2.5.Electric Power Systems and Electrical Equipment

2.And today people are able to get a television with 60 channels of content that will run all day and all night entirely powered by the Sun.

a. partly

b. completely

3.In Nigeria the grid is very intermittent, and people use deal generators in order to supplement the grid when it's not there.

 

a. continuous

b. interrupted

4.

There are only four distinct electrical grids that service essentially all of

 

North America.

 

 

a. diverse

b. similar

5.

Our electrical devices and equipment are designed, assuming that the power

 

coming from the grid has certain parameters.

 

a. unsure

b. known

6.If the current doesn’t vary, like in direct current, the transformer can’t do any transforming.

a. modify b. constant

7. The amount of energy that a building as permitted to consume is governed by

building codes.

 

a. forbidden

b. allowed

8. The interior design should be aware of the presence of an uninterrupted power supply or standby power supply.

a. backup b. main

9.The NEC sets the minimum standards for all electrical designs for construction.

a. building b. industry

10. The Americans with Disabilities Act specifies mounting heights for outlets

and fixtures in handicapped accessible spaces.

 

a. available

b. unreachable

 

 

3. Complete the sentences using the words below

 

 

 

 

 

 

feeder

estimating

initial

maintenance

proportional

redundancy

oscillations equipment

estimated

incidental

 

 

 

 

 

1.It's very difficult for people to be able to find the _____ money to be able to pay for that power station.

2.Solar power is no longer just a sort of an _____ part of the energy story.

47

2.Practical Aspects of Academic and Scientific Talks

3.Much of the grid’s complexity comes from how we manage faults and provide_____.

4.A varying voltage in one coil induces a voltage in the other coil _____ to the number of turns in each one.

5.Equipment needs to be taken out of service for _____.

6.Some devices even count the _____ in the AC grid power to keep track of time.

7.Some energy customers draw power directly from transmission lines, but most are served from _____ lines.

8.Electrical engineers start the process of designing electrical systems by

_____ the total building electrical power load.

9.Building code set limits on the total amount of energy used by the building including _____ and lighting.

10.The electrical engineers are responsible to determine the location and _____

size of all required electrical equipment spaces.

4. What words do you think are missing? Write one word in each space

1.Electricity generation is one of the main contributors of _____ dioxide and is seriously impacting climate in our planet.

2.A small _____ panel is providing just enough electricity to power the calculator and nothing else.

3.It's really hard to go and make a house sized _____ turbine but it's really easy to make a house sized solar panel.

4.Changes in voltage can lead to brownouts or surges that_____ connected equipment.

5.All power plants have one thing in common: they take one kind of energy and _____it into electrical energy.

6.The final goal of a power grid is simply that the supply meet _____.

7.There are three overarching technical goals that engineers use to design and maintain the _____ grid.

8.The architects reserve spaces for _____ equipment.

9.Interior designers are also responsible for showing electrical system information on their _____.

10.The interior designer should be familiar with the location and size of the

_____ panels and with building system.

48

2.6.Antennas, Microwave Devices and Technologies

2.6.Antennas, Microwave Devices and Technologies

2.6.1.What the Discovery of Gravitational Waves Means

1.Match the terms and their definitions

1.

inexorably

a)

the absence of standards of absolute and universal

 

 

 

application

 

 

 

 

2.

pure

b)

having or consisting of many cells

 

 

 

 

3.

timescale

c)

something that is invented or untrue

 

 

 

 

4.

multicellular

d)

burst or shatter violently and noisily as a result of

 

 

 

rapid combustion

 

 

 

 

5.

audacious

e)

capable of or successful in reaching the intended

 

 

 

target

 

 

 

 

6.

explode

f)

in a way that is impossible to stop or prevent

 

 

 

 

7.

colliding

g)

showing a willingness to take surprisingly bold

 

 

 

risks

 

 

 

 

8.

tremendous

h)

lasting for a long time or slow to end

 

 

 

 

9.

lingering

i)

not mixed or adulterated with any other substance

 

 

 

or material

 

 

 

10. accurate

j)

a scale used to represent periods of time

 

 

 

11. ripple

k)

a small wave or series of waves on the surface of

 

 

 

water

 

 

 

12. relativity

l)

contrary to reason or common sense

 

 

 

13. fiction

m)

very great in amount, scale, or intensity

 

 

 

14. preposterous

n)

hit by accident when moving

 

 

 

15. surmounted

o)

stand or be placed on top of

 

 

 

 

2. Watch the video answer the following questions

1.How many years ago did two black holes lock into a spiral?

2.Did black holes release their energy in light?

3.What did the energy of black holes end up in, making the Universe explode in gravitational waves?

4.What is LIGO?

49

2.Practical Aspects of Academic and Scientific Talks

5.When did the gravitational waves from colliding black holes pass through the earth?

6.What is a gravitational wave, according to Allan Adams?

7.What is the problem with gravitational waves?

8.How did Kip Thorne describe the hunt for gravitational waves?

9.What wavelength can an audible sound reach?

10.Can we use gravitational waves to see everything from the beginning?

3. Discuss the following questions

1.Why did Matt Evans compare stars to dinosaurs and black holes to dinosaur bones?

2.Can we hear the spinning of two giant objects and how is it possible?

3.Why did lector say that his work is no longer a science fiction?

4.What is the length of Advanced LIGO?

5.Can we find out what processes are taking place in the core of the planets?

2.6.2.Frequency Matters

1.Match the words from column A and column B to make a word combination

 

A

 

B

 

 

 

 

1.

technical

a)

switch

 

 

 

 

2.

multi-chip

b)

outlook

 

 

 

 

3.

silicon

c)

case

 

 

 

 

4.

rugged

d)

module

 

 

 

 

5.

high-temperature

e)

rollouts

 

 

 

 

6.

mobile

f)

environments

 

 

 

 

7.

glass

g)

resonator

 

 

 

 

8.

positive

h)

cable

 

 

 

 

9.

spectrum

i)

episode

 

 

 

10. band

j)

device

 

 

 

11. business

k)

wave

 

 

 

 

50