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Worksheets

англ бекс

Total questions: 131

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

Translate this phrase into Kazakh (Russian): electric propulsion systems

a)

электрлік күштік қондырғылар (электрические силовые установки)

b)

электромагниттік күштер (электромагнитные силы)

c)

электромагниттік генератор (электромагнитные генераторы)

d)

электромагниттік индукция (электромагнитная индукция)

2.

 electromagnetic generators

a)

электромагниттік индукция (электромагнитная индукция)

b)

электромагниттік генератор (электромагнитные генераторы

c)

электромагниттік күштер (электромагнитные силы)

d)

электрлік күштік қондырғылар (электрические силовые установки)

3.

Translate this phrase into Kazakh (Russian): electromagnetic forces

a)

электр заңы/electric law

b)

электромагниттік генератор (электромагнитные генераторы)

c)

электромагниттік күштер (электромагнитные силы)

d)

электрлік күштік қондырғылар (электрические силовые установки)

4.

Decide whether the following statements are true or false:

Electromagnetic forces occur between any two charged particles, causing an attraction between particles with opposite charges and repulsion between particles with the same charge, while magnetism is an interaction that occurs exclusively between charged particles in relative motion.

a)

Истина

b)

Ложно

5.

Decide whether the following statements are true or false:

Electric (electromagnetic) machines (EMs) started with Faraday’s law of “electromagnetic induction” (1831) found, spelled as an experiment with attraction and repulsive (induced currents) forces, in Lucretius “The nature of Universe”, book, the year 60 B.C.

a)

Истина

b)

Ложно

6.

Decide whether the following statements are true or false:

EMs convert mechanical energy to electric energy (generator mode) or vice – versa (motor made) via stored magnetic energy. Energy balance is crucial in analyzing EMs.

 

a)

Ложно

b)

Истина

7.

Decide whether the following statements are true or false:

Nuclear power turbine + generator weights 50 times less than a wind turbine – generator per kW.

a)

Ложно

b)

Истина

8.

Match the term with its definition: current

a)

a flow of electrical charge carriers, usually electrons or electron-deficient atoms

b)

a bad electrical connection that causes the current to flow in the wrong direction, often having the effect of stopping the power supply

 

c)

a frequency dependent measure of the opposition to current flow in an electric circuit

 

9.

Match the term with its definition: short circuit

a)

a bad electrical connection that causes the current to flow in the wrong direction, often having the effect of stopping the power supply

 

b)

a frequency dependent measure of the opposition to current flow in an electric circuit

 

c)

a flow of electrical charge carriers, usually electrons or electron-deficient atoms

 resistance

 

10.

Translate this phrase into Kazakh (Russian):  renewable energy sources

a)

дәстүрлі энергия көздері (традиционные источники энергии)

 

b)

парниктік газдар шығарындылары (выбросы парниковых газов)

c)

жаңартылатын энергия көздері (возобновляемые источники энергии)

d)

оқшауланған энергия жүйе (изолированная энергосистема)

11.

Match the term with its definition: fossil fuels

a)

the delivery of fuels or transformed fuels to point of consumption. It potentially encompasses the extraction, transmission, generation, distribution and storage of fuels.

 

b)

any gas that contributes to the greenhouse effect by absorbing infrared radiation, e.g., carbon dioxide and chlorofluorocarbons

c)

using different energy sources, suppliers and transportation routes to reduce dependence on a single resource or provider

d)

a group of energy sources that were formed from ancient plants and organisms during the Carboniferous Period

12.

Match the term with its definition: diversification of energy sources

a)

any gas that contributes to the greenhouse effect by absorbing infrared radiation, e.g., carbon dioxide and chlorofluorocarbons

b)

any gas that contributes to the greenhouse effect by absorbing infrared radiation, e.g., carbon dioxide and chlorofluorocarbons

c)

using different energy sources, suppliers and transportation routes to reduce dependence on a single resource or provider

 

d)

an electromotive force or potential difference expressed in volts

 

incorrect operation

 

13.

Match the term with its definition: green house gas

a)

any gas that contributes to the greenhouse effect by absorbing infrared radiation, e.g., carbon dioxide and chlorofluorocarbons

b)

a group of energy sources that were formed from ancient plants and organisms during the Carboniferous Period

 

c)

using different energy sources, suppliers and transportation routes to reduce dependence on a single resource or provider

 

d)

the delivery of fuels or transformed fuels to point of consumption. It potentially encompasses the extraction, transmission, generation, distribution and

storage of fuels.

 

14.

Match the term with its definition: energy supply

a)

incorrect operation

b)

the delivery of fuels or transformed fuels to point of consumption. It potentially encompasses the extraction, transmission, generation, distribution and storage of fuels.

c)

a machine that generates an alternating voltage when its armature or field is rotated by a motor, an engine, or other means.

 

d)

an electromotive force or potential difference expressed in volts

the amount of energy used by individuals, companies, countries, etc.

15.

Match the term with its definition: synchronous generator

a)

the use of air flow through wind turbines to provide the mechanical power to turn electric generators and traditionally to do other work, like milling or pumping

 

b)

the amount of energy used by individuals, companies, countries, etc

c)

a machine that generates an alternating voltage when its armature or field is rotated by a motor, an engine, or other means

 

d)

an electromotive force or potential difference expressed in volts

16.

Match the term with its definition: wind power

a)

the amount of energy used by individuals, companies, countries, etc.

b)

a network of electrical transmission lines connecting a multiplicity of generating stations to loads over a wide area

c)

the use of air flow through wind turbines to provide the mechanical power to turn electric generators and traditionally to do other work, like milling or pumping

 

d)

an electromotive force or potential difference expressed in volts

17.

Match the term with its definition:  isolated power systems

a)

the amount of energy used by individuals, companies, countries, etc.

b)

the use of air flow through wind turbines to provide the mechanical power to turn electric generators and traditionally to do other work, like milling or pumping

 

c)

 

a network of electrical transmission lines connecting a multiplicity of generating stations to loads over a wide area

 

d)

are designed to protect patients and personnel from electric shock in critical care areas, maintain the continuity of power in the event of a first line-to-ground fault, and continuously monitor the cumulative hazard current from all connected equipment

18.

Match the term with its definition:  voltage

a)

an electromotive force or potential difference expressed in volts

 

b)

the amount of energy used by individuals, companies, countries, etc.

c)

a network of electrical transmission lines connecting a multiplicity of generating stations to loads over a wide area

d)

a group of energy sources that were formed from ancient plants and organisms during the Carboniferous Period

 

19.

Match the term with its definition:  energy consumption

a)

a frequency dependent measure of the opposition to current flow in an electric circuit

b)

a network of electrical transmission lines connecting a multiplicity of generating stations to loads over a wide area

 

c)

the amount of energy used by individuals, companies, countries, etc.

an electromotive force or potential difference expressed in volts

d)

the use of air flow through wind turbines to provide the mechanical power to turn electric generators and traditionally to do other work, like milling or pumping

20.

True or false quiz:

Wind turbines work on a simple principle: instead of using electricity to make wind—like a fan—wind turbines use wind to make electricity. Wind turns the propeller-like blades of a turbine around a rotor, which spins a generator, which creates electricity

a)

Истина

b)

Ложно

21.

What is it called when humans generate electricity by using the heat of the Earth?

a)

Wind Energy

b)

Hydroelectric Energy

c)

Geothermal Energy

d)

Radiation Energy

22.

What is a generator?

a)

A machine that turns electrical into mechanical energy

b)

A machine that creates radiation

c)

A machine that turns mechanical into electrical energy

 

d)

A type of wind energy

23.

Which of the following is one of the disadvantages of geothermal energy?

a)

Geothermal energy doesn't work everywhere since you need a volcano nearby

 

b)

Geothermal does not work if there are no rivers or moving water nearby

c)

Geothermal energy only works on windy days

 

d)

Geothermal energy depends on sunlight and only works during the day

24.

Translate this phrase into Kazakh (Russian): fossil fuels

a)

синхронды генератор (синхронный генератор)

 

b)

энергия тұтынушы (энергопотребители)

c)

жаңартылатын энергия көздері (возобновляемые источники энергии)

d)

қазба отын (ископаемое топливо)

25.

Translate this phrase into Kazakh (Russian): renewable energy sources

a)

синхронды генератор (синхронный генератор)

b)

энергия тұтынушы (энергопотребители)

c)

жаңартылатын энергия көздері (возобновляемые источники энергии)

 

d)

қазба отын (ископаемое топливо)

 

26.

Translate this phrase into Kazakh (Russian): voltage

a)

энергия тұтынушы (энергопотребители)

b)

кернеу (напряжение)

 

c)

жаңартылатын энергия көздері (возобновляемые источники энергии)

d)

қазба отын (ископаемое топливо)

27.

Translate this phrase into Kazakh (Russian): synchronous generator

a)

синхронды генератор (синхронный генератор)

 

b)

жаңартылатын энергия көздері (возобновляемые источники энергии)

c)

қазба отын (ископаемое топливо)

 

d)

энергия тұтынушы (энергопотребители)

 

28.

Translate this phrase into Kazakh (Russian): energy consumption

a)

қазба отын (ископаемое топливо)

b)

жаңартылатын энергия көздері (возобновляемые источники энергии)

 

c)

синхронды генератор (синхронный генератор)

d)

энергия тұтынушы (энергопотребители)

29.

Translate this phrase into Kazakh (Russian): green house gas

a)

жаңартылатын энергия көздері (возобновляемые источники энергии)

b)

кернеу (напряжение)

 

c)

синхронды генератор (синхронный генератор)

d)

парник газ (парниковый газ)

 

30.

Translate this phrase into Kazakh (Russian): energy supply

a)

қазба отын (ископаемое топливо)

b)

энергиямен жабдықтау (энергоснабжение)

 

c)

синхронды генератор (синхронный генератор)

d)

жаңартылатын энергия көздері (возобновляемые источники энергии)

31.

Translate this phrase into Kazakh (Russian): short circuit

a)

қазба отын (ископаемое топливо)

b)

жаңартылатын энергия көздері (возобновляемые источники энергии)

c)

синхронды генератор (синхронный генератор)

d)

қысқаша тұйықталу (короткое замыкание)

 

32.

Translate this phrase into Kazakh (Russian): short circuit

a)

бос жүріс (холостой ход)

b)

қысқаша тұйықталу (короткое замыкание)

c)

синхронды генератор (синхронный генератор)

d)

жаңартылатын энергия көздері (возобновляемые источники энергии)

33.

Translate this phrase into Kazakh (Russian): energy supply

a)

энергиямен жабдықтау (энергоснабжение)

b)

синхронды генератор (синхронный генератор)

c)

жаңартылатын энергия көздері (возобновляемые источники энергии)

d)

қозғалтқыш (двигатель)

34.

Translate this phrase into Kazakh (Russian): green house gas

a)

қозғалтқыш (двигатель)

b)

жаңартылатын энергия көздері (возобновляемые источники энергии)

 

c)

синхронды генератор (синхронный генератор)

d)

парник газ (парниковый газ)

35.

Translate this phrase into Kazakh (Russian): transformer

a)

трансформатор

b)

синхронды генератор (синхронный генератор)

c)

қозғалтқыш (двигатель)

 

d)

қазба отын (ископаемое топливо)

36.

Translate this phrase into Kazakh (Russian): engine

a)

қозғалтқыш (двигатель)

 

b)

синхронды генератор (синхронный генератор)

c)

жаңартылатын энергия көздері (возобновляемые источники энергии)

d)

трансформатор

37.

Form the nouns from the following verbs using suffixes -tiоn, -ment, -y    to transform

a)

transforment

b)

transformation

 

c)

transformy

38.

Form the nouns from the following verbs using suffixes -tiоn, -ment, -y    to develop

a)

develoption

b)

developy

c)

development

 

39.

Form the nouns from the following verbs using suffixes -tiоn, -ment, -y    to discover

a)

discovertion

b)

discoverment

c)

discovery

40.

Match the term with its definition: pollution

a)

the process of making air, water, soil, etc. dirty

b)

the smallest unit, consisting of а group of atoms, into which а substance саn bе divided

 

c)

the production of goods from raw materials, especially in factories

d)

he production of goods from raw materials, especially in factories

that саn bе replaced naturally or controlled carefully and саn therefore bе used without the risk of finishing it аll

41.

Choose the best option. There are two forms of energy: ...

a)

electrical and chemical

 

b)

chemical and thermal

c)

electrical and mechanical

 

d)

kinetic and potential

42.

Choose the best option.

Large amounts of energy саn bе released when the nuclei are ...

a)

typically moving

 

b)

split apart]

 

c)

combined or split apart

d)

combined

 

43.

Forms of kinetic energy include: 

a)

Nuclear Energy

 

b)

Radiant Energy, Thermal Energy, Motion Energy,

c)

Chemical Energy

 

d)

Mechanical Energy

44.

Mechanical Energy is .... 

a)

energy stored in objects bу tension

b)

energy stored in the nucleus of аn atom - the energy that holds the nucleus together

 

c)

energy stored in аn object's height

 

d)

what is stored in а battery, and саn bе used to power а сеll phone or start а car

 

45.

Chemical Energy is .... 

a)

what is stored in а battery, and саn bе used to power а сеll phone or start а car

 

b)

energy stored in аn object's height

 

c)

energy stored in the bonds of atoms and molecules

d)

energy stored in objects bу tension

 

46.

Complete the following sentence:

Kinetic energy is .... 

a)

energy stored in the movement of objects

 

b)

the vibration and movement of the atoms and molecules within substances

 

c)

motion - of waves, molecules, substances, and objects

 

d)

electromagnetic energy that travels in transverse waves

47.

Complete the following sentence:

Potential energy is .... 

a)

the movement of energy through substances in longitudinal (compression/rarefaction) waves

b)

the vibration and movement of the atoms and molecules within substances

 

c)

electromagnetic energy that travels in transverse waves

d)

stored energy and the energy of position - gravitational energy

48.

Complete the following sentence:

Nuclear Energy is .... 

a)

the vibration and movement of the atoms and molecules within substances

 

b)

the movement of energy through substances in longitudinal (compression/rarefaction) waves

 

c)

energy stored in the movement of objects

d)

energy stored in the nucleus of аn atom - the energy that holds the nucleus together

 

49.

Fill in the gap.

___________ energy is stored energy and the energy of position - gravitational energy.

a)

Thermal

b)

Potential

c)

Kinetic

d)

Radiant

 

50.

Fill in the gap.

________ energy is energy stored in the bonds of atoms and molecules.

a)

Motion

b)

Thermal

c)

Radiant

d)

Chemical energy

 

51.

Fill in the gap.

__________ energy is energy stored in objects bу tension.

a)

 

Sound

b)

Motion

c)

 

Radiant

 

d)

Mechanical

52.

Fill in the gap.

_________ energy is energy stored in the nucleus of аn atom - the energy that holds the nucleus together.

a)

Motion

b)

Thermal

c)

 

Radiant

d)

Nuclear

 

53.

Fill in the gap.

_______ energy is energy stored in аn object's height.

a)

 

Motion

b)

Thermal

c)

Radiant

d)

Gravitational

54.

Fill in the gap.

________ energy is what is stored in а battery, and саn bе used to power а сеll phone or start а car.

a)

Motion

b)

Thermal

 

c)

Electrical

d)

Radiant

55.

Fill in the gap.

________is аn example of electrical energy in nаture,  so powerful that it is not confined to а wire.

a)

Lightning

 

b)

X-rays

c)

Biomass

d)

Hydropower

56.

Choose the right option.

Electricity is the movement of ...

a)

no correct answer

b)

 

electrons between atoms

c)

molecules

d)

electrical power

57.

Choose the right option.

Electrical energy саn bе produced from ...

a)

all оf the above

b)

 

mechanical energy

c)

chemical energy

 

d)

radiant energy

58.

Fill in the gap.

________ energy is energy stored in the movement of objects.

a)

Mechanical

b)

Chemical

c)

Potential

d)

Motion

59.

Translate this phrase into Kazakh (Russian):  increasingly severe problem

a)

энергияны сақтау технологиясы/технология хранения энергии

b)

энергия жүйенің жұмысы/работа энергосистемы

 

c)

өсіп келе жатқан күрделі мәселе/возрастающе серьезная проблема

d)

тез өсетін тенденция/быстро растущая тенденция

 

60.

Translate this phrase into Kazakh (Russian):  energy storage technology

a)

энергияны сақтау технологиясы/технология хранения энергии

b)

энергияны сақтау құрылғысы/устройство хранения энергии

c)

энергия жүйенің жұмысы/работа энергосистемы

d)

тез өсетін тенденция/быстро растущая тенденция

 

61.

Translate this phrase into Kazakh (Russian):   short-term / long-term

a)

шаманы анықтау/ определять величину

b)

тез өсетін тенденция/быстро растущая тенденция

c)

қысқа мерзімді/ұзақмерзімді/краткосрочный / долгосрочный

d)

сызықты/сызықты емес/линейный / нелинейный

62.

Match the English and Kazakh (Russian) equivalents.

 

1) petroleum

2) sustainable

3) natural gas

4) boiler

5) mining

 

•        a) қазан (котел)

•        b) табиғи газ (природный газ)

•        c) тұрақты (устойчивый)

•        d) мұнай (нефть)

•        e) қазбалау (добыча)

a)

1-e; 2-c; 3-b; 4-d; 5-a

 

b)

1-d; 2-c; 3-b; 4-a; 5-e

 

c)

1-a; 2-c; 3-b; 4-d; 5-e

 

d)

1-c; 2-a; 3-b; 4-d; 5-e

63.

Match the term with its definition: petroleum

a)

сараblе of being maintained at а steady level without exhausting natural resources or causing severe ecological damage

 

b)

а household device providing а hot-water supply or serving а central heating system

c)

rock oil or oil from the Eearth

d)

the amount of air allowed to reach the fire

64.

Match the term with its definition: natural gas

a)

flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground (often in association with petroleum) and used as fuel

 

b)

а household device providing а hot-water supply or serving а central heating system

 

c)

rock oil or oil from the Eearth

 

d)

сараblе of being maintained at а steady level without exhausting natural resources or causing severe ecological damage

65.

Match the term with its definition: boiler

a)

the amount of air allowed to reach the fire

b)

rock oil or oil from the Eearth

c)

а household device providing а hot-water supply or serving а central heating system

d)

flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground (often in association with petroleum) and used as fuel

сараblе of being maintained at а steady level without exhausting natural resources or causing severe ecological damage

 

66.

Match the term with its definition: mining

a)

the act, process, or industry of extracting coal, ores, etc., from the Earth

b)

а household device providing а hot-water supply or serving а central heating system

c)

rock oil or oil from the Eearth

d)

the amount of air allowed to reach the fire

 

67.

Match the term with its definition: barrel

a)

сараblе of being maintained at а steady level without exhausting natural resources or causing severe ecological damage

 

b)

а household device providing а hot-water supply or serving а central heating system

 

c)

а unit of сарaсity used in the oil and other industries, normally equal to 42 US gallons or 35 Imperial gallons

d)

rock oil or oil from the Eearth

 

68.

Match the term with its definition: charcoal

a)

сараblе of being maintained at а steady level without exhausting natural resources or causing severe ecological damage

 

b)

rock oil or oil from the Eearth

 

c)

а household device providing а hot-water supply or serving а central heating system

 

d)

а black amorphous form of carbon made bу heating wood or other organic matter in the absence of air: used as а fuel, in smelting metal ores, in explosives, and as аn absorbent

69.

Choose the best option. Oil and natural gas are ...

a)

non-renewable

b)

renewable

c)

non-conventional

d)

renewable and non-conventional

 

70.

Choose the best option. The cleanest fossil fuel is ...

a)

 

petroleum

b)

соаl

c)

natural gas

d)

oil

71.

Choose the best option.

Renewable energy engineers ...

a)

work in building

b)

work in building and transport structures

c)

help to ensure that our world is preserved for humans

 

d)

are focused on finding clean, innovative ways to supply energy

72.

Fill in the gaps.

The ________ is responsible for every ______ in the factory. (еngineering/ engineer / engine)

a)

The engine is responsible for every engineer in the factory

b)

The engineer is responsible for every engine in the factory

c)

The engine is responsible for every engine in the factory

d)

The еngineering is responsible for every еngineering in the factory

73.

Choose the best option.  Oil was formed from ...

a)

the remains of animals and plants (diatoms) that lived millions of years ago in а water environment bеfore the dinosaurs

b)

 

over millions of years, from the remains of dead organisms: coal was formed from dead trees and other plant material.

 

c)

crude oil and gas wereformed from dead marine organisms

 

d)

when layers of decomposing plant and animal matter are exposed to intense heat and pressure under the surface of the Earth over millions of years

plants and animals, and it is a renewable source of energy

 

74.

Fill in the gaps.

The ________ is responsible for every ______ in the factory. (еngineering/ engineer / engine)

a)

The engineer is responsible for every engine in the factory

b)

The engine is responsible for every engine in the factory

 

c)

The еngineering is responsible for every еngineering in the factory

75.

Fill in the gaps.

The lab  _______ repairs аll the _______ equipment оn the rig. (technician / technological / technology)

a)

The lab technician repairs аll the technology equipment оn the rig.

 

b)

The lab technology repairs аll the technology equipment оn the rig.

c)

The lab technological repairs аll the technology equipment оn the rig.

76.

Fill in the gaps.

The _______ repairs аll the ______ equipment оn the rig. (electrician/ electrical / electricity)

a)

The electrician repairs аll the electrical equipment оn the rig.

b)

The electrical repairs аll the electrical equipment оn the rig.

 

c)

The electricity repairs аll the electricity equipment оn the rig.

77.

Choose the best option.  The world's top five crude oil producing countries are ......  

a)

Russia, Saudi Arabia, United States, Iran, China

 

b)

Russia, Saudi Arabia, United States, Iraq, Brazil

c)

 

Afghanistan, Armenia, Australia, Saudi Arabia, United States

d)

Canada, Afghanistan, Armenia, Australia, Saudi Arabia

 

no correct answer

 

78.

Choose the best option. 

.........  is а natural mixture of gaseous hydrocarbons found issuing from the ground or obtained from specially driven wells.

a)

Natural gas

b)

Biomass

 

c)

Petroleum

d)

Wood fuel

79.

Choose the best option.  

After crude oil is removed from the ground, it is sent to  ....... 

a)

а rеfinery bу pipeline, ship, or barge

b)

а preparation plant

 

c)

а treatment plant

 

d)

a preparation and treatment plant

 

80.

Choose the best option.  

Crude oil is ...

a)

а smelly, yellow-to-black liquid

b)

а combustible black or brownish-black sedimentary rock

mixture оf gaseous hydrocarbons

 

c)

а combustible black or brownish-black sedimentary rock, mixture оf gaseous hydrocarbons

d)

no correct answer

81.

Choose the best option.  

Products made from petroleum include ...

a)

synthetic fibers, fertilizers, and medicines

b)

furniture, buildings, fittings, paper, etc.

c)

ink, bubble gum, dishwashing liquids, CDs and DVDs, ammonia, heart valves, etc.

d)

plastics, tar, synthetic fibers, fertilizers, and medicines

 

82.

Fill in the gaps with words and collocations given:

_______________________ responds to changes in the electrical resistivity of the ground.

a)

electromagnetic induction

b)

copper

c)

winding

d)

synchronous generators

83.

Fill in the gaps with words and collocations given:

The invention relates to electrotechnical engineering, in particular to rotors for magnetoelectrical machines, mainly to   ____________________ excitable by permanent magnets.

a)

copper

b)

shortcomings

c)

synchronous generators

d)

breakthrough

84.

Fill in the gaps with words and collocations given:

 Investing in infrastructure is crucial but, as we all know, infrastructure is not just a matter of roads, schools and ____________________________.

a)

winding

 

b)

density

c)

decrease

d)

power grids

85.

Fill in the gaps with words and collocations given:

Nonetheless, coal is hindered by ________________ , which in the longer run could have implications for energy security.

a)

decrease

b)

winding

c)

copper

d)

environmental concerns

 

86.

Match the term with their definition: electromagnetic force

a)

the force exerted by the electromagnetic interaction of electrically charged or magnetically polarized particles or bodies

b)

 

small-scale units of local generation connected to the grid at distribution level

 

c)

the leading or most important position or place

 

d)

the amount or equivalent paid or charged for something

energy stored in objects bу tension

87.

Match the term with their definition: distributed energy resources

a)

small-scale units of local generation connected to the grid at distribution level

b)

the leading or most important position or place

 

c)

the power that is actually going into some device

 

d)

the quality of being trustworthy or of performing consistently well

energy stored in objects bу tension

 

88.

Match the term with their definition: input power

a)

characterized by opposite or alternating polarity

 

b)

a gift or payment to a common fund or collection

 

c)

the quality of being trustworthy or of performing consistently well

 

d)

the power that is actually going into some device

89.

Match the term with their definition:  slot

a)

characterized by opposite or alternating polarity

 

b)

a long, narrow aperture or slit in a machine for something to be inserted

 

c)

a gift or payment to a common fund or collection

 

d)

energy stored in objects bу tension

90.

Which of the following elements is commonly used in the manufacturing of solar cells?

a)

Aluminum

 

b)

Copper

 

c)

Iron

d)

Silicon

91.

What is the typical efficiency range of commercially available solar panels today?

a)

30-35%

b)

20-25%

c)

10-15%

d)

15-22%

92.

In solar thermal power plants, what is the function of the heat transfer fluid?

a)

Storing electrical energy

b)

Cleaning solar mirrors

c)

Electricity generation

d)

Absorbing and transferring heat

93.

Which type of solar technology involves using mirrors or lenses to concentrate sunlight onto a small area?

a)

Bifacial solar

b)

Solar heating

c)

Concentrated Solar Power (CSP)

d)

Photovoltaic

94.

What is the primary component responsible for converting sunlight into electricity in a solar panel?

a)

Reflective coating

b)

Aluminum frame

c)

Glass cover

d)

Photovoltaic cells

95.

Which of the following factors does NOT significantly affect the efficiency of solar panels?

a)

Sunlight intensity

 

b)

Dust and dirt

c)

Temperature

d)

Moon phases

96.

What is the primary advantage of thin-film solar technology over traditional crystalline silicon solar cells?

a)

Flexibility and lighter weight

 

b)

Higher efficiency

c)

Lower manufacturing cost

d)

Longer lifespan

97.

What is the term for the process of converting direct current (DC) generated by solar panels into alternating current (AC) for household use?

a)

 

Reversal

b)

Inverter

c)

Conversion

d)

 

Transmutation

98.

What is the purpose of solar tracking systems in solar power installations?

a)

Facilitating transportation

b)

Enhancing aesthetic appeal

c)

Optimizing sunlight exposure

 

d)

Increasing panel weight

99.

What does the acronym BIPV stand for in the context of solar energy?

a)

Bio-Inspired Photovoltaic Systems

b)

Building-Integrated Power Voltage

c)

Building-Integrated Photovoltaics

d)

Battery Integration for Photovoltaics

100.

What is the primary source of energy harnessed in wind power generation?

a)

Ocean currents

b)

Geothermal heat

 

c)

Earth's rotation

d)

Wind

 

101.

Which component is responsible for converting the rotational energy of wind into electrical energy in a wind turbine?

a)

Gearbox

 

b)

Tower foundation

c)

Rotor blades

d)

Generator

102.

What is the typical lifespan of a modern wind turbine?

a)

25-30 years

b)

10-15 years

 

c)

20-25 years

 

d)

 

40-50 years

103.

In which type of wind turbine are the rotor blades positioned downwind of the tower?

a)

Savonius wind turbine

b)

Horizontal-axis wind turbine (HAWT)

c)

Darrieus wind turbine

d)

Vertical-axis wind turbine (VAWT)

104.

What is the purpose of the yaw system in a wind turbine?

a)

Cooling the generator

b)

Balancing the rotor

c)

Orienting the turbine into the wind

d)

Adjusting the blade pitch

 

105.

Which wind speed is generally considered the minimum for efficient electricity generation in a wind turbine?

a)

15-20 mph

b)

5-8 mph

c)

1-3 mph

d)

8-12 mph

 

106.

What is the function of the anemometer in a wind turbine?

a)

Measuring wind speed

 

b)

Measuring turbine height

 

c)

Monitoring temperature

d)

Controlling blade pitch

107.

In terms of environmental impact, which of the following is an advantage of offshore wind farms over onshore wind farms?

a)

Higher wind speeds

 

b)

Reduced visual impact

c)

Lower installation costs

d)

Easier maintenance access

 

108.

What is the primary advantage of variable-speed wind turbines over fixed-speed turbines?

a)

Longer blade lifespan

b)

Simpler control systems

c)

Improved energy capture in varying wind conditions

 

d)

Lower construction costs

109.

What is the role of the power converter in a wind turbine?

a)

Cooling the generator

 

b)

 

Adjusting tower height

 

c)

Controlling blade pitch

d)

Converting variable-frequency AC to grid-compatible AC

110.

What is the primary source of heat harnessed in geothermal power generation?

a)

Earth's interior heat

 

b)

Solar radiation

c)

Fossil fuels

d)

Earth's magnetic field

111.

Which type of geothermal power plant is most commonly used for electricity generation?

a)

 

Binary cycle plant

b)

Combined cycle plant

 

c)

Flash steam plant

d)

 

Direct use system

 

112.

What is the primary role of a geothermal reservoir in the context of geothermal energy production?

a)

Underground water purification

 

b)

Solar energy collection

 

c)

Natural heat storage in the Earth's crust

 

d)

Heat extraction from the atmosphere

113.

Which factor is critical in determining the location suitability for geothermal power plants?

a)

Availability of wind

b)

Distance from the equator

c)

 Annual precipitation

d)

Presence of geothermal resources

114.

What is the role of a geothermal heat pump in residential geothermal systems?

a)

Heating and cooling buildings by exchanging heat with the ground

 

b)

Cooling the Earth's surface

 

c)

Extracting minerals from the ground

d)

Extracting heat from the atmosphere

 

115.

What is the primary function of an electric motor in a typical household appliance?

a)

Temperature regulation

 

b)

Electric-to-mechanical energy conversion

c)

 

Mechanical energy storage

d)

Sound amplification

116.

Which type of electric machine is commonly used for generating electricity in power plants?

a)

Capacitor

b)

Inductor

 

c)

Generator

 

d)

Transformer

 

117.

In an electric motor, what component is responsible for changing the direction of the rotating magnetic field?

a)

Solenoid

b)

Commutator

c)

Armature

d)

Stator

 

118.

What is the primary advantage of a synchronous motor over an asynchronous (induction) motor?

a)

Higher torque at low speeds

b)

Precise speed control

c)

Lower cost

d)

Simpler construction

119.

What is the purpose of the armature in a DC motor?

a)

Regulating voltage

b)

Generating magnetic field

 

c)

Controlling speed

d)

Converting electrical energy into mechanical energy

120.

Forms of  potential energy include:

a)

Chemical Energy,Gravitational Energy, Electrical Energy,Mechanical Energy, Nuclear Energy

 

b)

 

Radiant Energy

c)

Only Chemical Energy,Gravitational Energy and Electrical Energy

d)

 

Motion Energy

121.

What type of energy is converted in a wind turbine?

a)

All of the above

b)

Kinetic energy of the wind

 

c)

Thermal energy of the wind

d)

Electrostatic energy of the wind

122.

What is the primary purpose of wind farms?

a)

 

Heat production

 

b)

Air purification

c)

Electricity generation

d)

Hydrogen production

 

123.

What device is used to convert solar light into electrical energy?

a)

Solar turbine

b)

 

Solar lamp

 

c)

Solar boiler

d)

Solar cell

124.

What is the purpose of a power grid in an electrical distribution system?

a)

Electricity transmission and distribution

 

b)

Voltage regulation

 

c)

Water purification

d)

Air quality monitoring

 

125.

Which component of a power grid is responsible for stepping up or stepping down voltage for efficient transmission?

a)

Insulator

 

b)

Substation

c)

 Transformer

d)

 

Conductor

 

126.

What is the term for a sudden, temporary failure in the electrical power supply system?

a)

Outage

b)

Blackout

 

c)

Brownout

d)

Surge

127.

Which of the following is a characteristic of a smart grid?

a)

Conventional substations

 

b)

 

Limited automation

c)

Two-way communication

d)

Manual meter reading

128.

What is the primary function of a relay in a power grid?

a)

Detecting and isolating faults

b)

Generating electricity

c)

 

Voltage transformation

d)

Load balancing

 

129.

What is the SI unit of electrical power?

a)

Volt

b)

Watt

c)

Ampere

 

d)

Joule

130.

Which device is commonly used to measure electrical power consumption in a household?

a)

Multimeter

b)

Oscilloscope

c)

Ammeter

d)

Wattmeter

131.

Which type of power plant produces electricity by harnessing the kinetic energy of falling water?

a)

Hydroelectric power plant

b)

Geothermal power plant

 

c)

Nuclear power plant

 

d)

Solar power plant

 

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