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MOCK TEST Renewable Energy Resources(2016-2020)

Total questions: 100

Worksheet time: 2hrs 0mins

Name
Class
Date
1.

Direct Solar energy is used for

a)

Water heating

b)

Distillation

c)

Drying

d)

All of the above

2.

Renewable energy often displaces conventional fuel in which of the following area

a)

space heating

b)

transportation

c)

electricity generation

d)

all of the above

3.

The main composition of biogas is

a)

Methane

b)

Carbon dioxide

c)

Nitrogen

d)

Hydrogen

4.

Which among the following have a large amount of installed grid interactive renewable power capacity in India

a)

Wind power

b)

Solar power

c)

Biomass power

d)

Small Hydro power

5.

Which of the following is not under the Ministry of New and Renewable Energy

a)

Wind energy

b)

Solar energy

c)

Tidal energy

d)

Large hydro power energy

6.

Which of the following country generate all their electricity using renewable energy

a)

Iceland

b)

England

c)

USA

d)

China

7.

Biodiesel is produced from oils or fats using

a)

fermentation

b)

transesterification

c)

distillation

d)

none of the above

8.

In which of the following region winds are stronger and constant

a)

deserts

b)

offshore

c)

low altitudes sites

d)

all of the above

9.

Concentrated solar power (CSP) systems use ____ to focus a large area of sunlight into a small beam

a)

lenses

b)

mirrors

c)

tracking systems

d)

all of the above

10.

The difference, in temperature between the core of the planet and its surface, is known as

a)

geothermal coefficient

b)

geothermal gradient

c)

geothermal constant

d)

none of the above

11.

The hour angle is equivalent to

a)

10° per hour

b)

15° per hour

c)

20° per hour

d)

25° per hour

12.

The following is (are) laws of black body radiation.

a)

Plank’s law

b)

Stefan-Boltzmann law

c)

both (A) and (B)

d)

None of the above

13.

Beam radiations are measured with

a)

Anemometer

b)

Pyrheliometer

c)

Sunshine recorder

d)

All of the above

14.

Most of the solar radiation received on earth surface lies within the range of........

a)

0.2 to 0.4 microns

b)

0.38 to 0.78 microns

c)

0 to 0.38 microns

d)

0.5 to 0.8 microns

15.

Reflecting mirrors used for exploiting solar energy are called........

a)

Mantle

b)

Ponds

c)

Diffusers

d)

Heliostats

16.

Which country created wind mills

a)

Egypt

b)

Mongolia

c)

Iran

d)

Japan

17.

What happens when the land near the earth’s equator is heated?

a)

All the oceans gets heated up

b)

Small wind currents are formed

c)

Rise in tides

d)

Large atmospheric winds are created

18.

Which of the following materials cannot be used as solar cells materials?

a)

Si

b)

GaAs

c)

CdS

d)

PbS

19.

What is the difference between Photodiode and Solar cell?

a)

No External Bias in Photodiode

b)

No External Bias in Solar cell

c)

Larger surface area in photodiode

d)

No difference

20.

During the collection of e-h pairs, holes are collected by

a)

Front contact

b)

Back contact

c)

Si-wafer

d)

Finger electrodes

21.

Fuel cell performance is not limited by

a)

First law of Thermodynamics

b)

Second law of Thermodynamics

c)

Third law of Thermodynamics

d)

All three laws are applicable

22.

For which of these devices does a negative charge carrier flow from anode to cathode in the external circuit?

a)

MHD generator

b)

Thermionic generator

c)

Thermoelectric generator

d)

Fuel cell

23.

The type of reactions in a fuel cell is not determined by

a)

Fuel and oxidizer combination

b)

Composition of electrolyte

c)

Materials of anode and cathode

d)

catalytic effects of reaction container

24.

Which of these gases or liquids are not used as source of hydrogen in fuel cells?

a)

C2H6

b)

C2H2

c)

C6H6

d)

C2H5OH

25.

Which of these should not be properties of fuel cell electrodes?

a)

Good electrical conductors

b)

Highly resistant to corrosive environment

c)

Should perform charge separation

d)

take part in chemical reactions

26.

How much is the average temperature at depth of 10 km of earth surface?

a)

200oC

b)

900oC

c)

650oC

d)

20oC

27.

The process of producing energy by utilizing heat trapped inside the earth surface is called

a)

Hydrothermal energy

b)

Geo-Thermal energy

c)

Solar energy

d)

Wave energy

28.

How many kinds of Geo thermal steams are there?

a)

2

b)

3

c)

4

d)

5

29.

What is hot molten rock called?

a)

Lava

b)

Magma

c)

Igneous rocks

d)

Volcano

30.

What does EGS stand for in geothermal energy?

a)

Engraved Geothermal systems

b)

Enhanced geothermal system

c)

Exhaust gas system

d)

Engineered geo physical system

31.

Earth’s outer layer rock is called as

a)

Mantle

b)

Crust

c)

Outer core

d)

Asthenosphere

32.

The hole on earth’s surface from where the steam from the earth comes out is called as

a)

Gash

b)

Mud pot

c)

Void

d)

Fumaroles

33.

Which kind geothermal plant is most common type?

a)

Dry steam

b)

Flash

c)

Binary

d)

Wet steam

34.

Which of the following liquid metal is not used as a magneto hydrodynamic generation (MHD) working fluid?

a)

Potassium

b)

Sodium

c)

Lithium

d)

All of these

35.

How much is the efficiency of geothermal plant?

a)

15%

b)

42%

c)

30%

d)

28%

36.

Coal is processed and burnt in the combustor of a hybrid MHD at a high temperature and pressure with the preheated air to form which among the following element?

a)

Steam

b)

Plasma

c)

Coke

d)

None of these

37.

What is the working fluid in closed cycle MHD system?

a)

Helium and argon

b)

Potassium

c)

Coal

d)

Natural gas

38.

The ocean thermal energy conversion(OTEC) is uses

a)

Temperature difference

b)

Energy difference

c)

Potential difference

d)

Kinetic difference

39.

How many types of OTEC plants are there?

a)

1

b)

2

c)

3

d)

4

40.

The by-product of the ocean thermal energy conversion is

a)

Hot water

b)

Cold water

c)

Chemicals

d)

Gases

41.

Closed cycle systems use the fluid having

a)

High boiling points

b)

Low boiling points

c)

High viscosity

d)

Low viscosity

42.

The steam leaves the

a)

Salts

b)

Aluminium

c)

Copper

d)

Silver

43.

The open cycle system produces ___________ water.

a)

Desalinated

b)

Impure

c)

Contaminated

d)

Chlorinated

44.

Tidal energy is a form of

a)

Wind power

b)

Solar power

c)

Heat energy

d)

Hydro power

45.

Tidal energy has ________ for future electricity generation.

a)

Kinetic energy

b)

Potential

c)

Wind power

d)

Solar power

46.

Which of the following is the best form of energy that can be used at any time?

a)

Wind energy

b)

Solar energy

c)

Tidal energy

d)

Heat energy

47.

The oceanic tides are due to

a)

Heavy Winds

b)

Slight earth quakes

c)

Water force

d)

Gravitational interaction

48.

Tidal power is practically

a)

Exhaustible

b)

Inexhaustible

c)

Not possible

d)

Complicated

49.

What does Heating and cooling of the atmosphere generates

a)

Thermo line circulation

b)

Radiation currents

c)

Convection currents

d)

Conduction currents

50.

Fuel cell converts chemical energy to electrical energy using a reaction that

a)

Eliminates combustion of fuel

b)

Requires combustion of fuel

c)

Requires no ignition of fuel

d)

Fuel is not required

51.

Maintenance of constant output at all wind speeds above rating is called _______

a)

Numeric rating scale

b)

Tenancy

c)

Flat Rating

d)

TRP

52.

In geo thermal power plants waste water is

a)

Discharged back to earth.

b)

Discharged into the sea.

c)

Recirculated after cooling in cooling towers.

d)

Evaporated in ponds

53.

The centre of earth is estimated to have a high temperature of about

a)

1,000 K

b)

4,000 K

c)

6,000 K

d)

10,000 K

54.

The following plant runs on binary cycle

a)

Vapour dominated plant

b)

Liquid dominated high temperature plant

c)

Liquid dominated low temperature plant

d)

All of the above

55.

In dry steam hydrothermal plant, we use

a)

Carnot cycle

b)

Brayton cycle

c)

Rankine Cycle

d)

None of the above

56.

When the water is ejected from earth’s interior in the form of hot water, it is called

a)

Geyser

b)

Hot springs

c)

Both (A) and (B)

d)

None of the above

57.

Water boils underground in a hydrothermal when it has pressure of about ____ atm and temperature of about ____ °C.

a)

3, 100

b)

5, 120

c)

6, 140

d)

7, 165

58.

In which of the following type(s) of plant(s) refrigerant is used as working medium

a)

Vapour dominated plant

b)

Liquid dominated high temperature plant

c)

Liquid dominated low temperature plant

d)

All of the above

59.

One Terra-watt is equal ______________

a)

1 trillion-watts

b)

100 trillion-watts

c)

5 trillion-watts

d)

10 trillion-watts

60.

What is the movement of water away from the shore called?

a)

Flood tide

b)

Spring tide

c)

Ebb tide

d)

Neap tide

61.

What is the term used for transport of non-cohesive sediments?

a)

Dirt drop

b)

Flick

c)

Littoral drift

d)

Droplet drifts

62.

Name the process of excavation activity usually carried underwater of purpose of gathering up bottom sediments.

a)

Police drag

b)

Dredging

c)

Auger suction

d)

Anti-eutrophication

63.

What tide of tide is it called when two high tides and two low tides of approximately equal size occur?

a)

Diurnal tide

b)

Spring tide

c)

Neap tide

d)

Semi-Diurnal tide

64.

Difference between water height at high tide and water height at low tide is called _______

a)

Tidal Variation

b)

Tidal volume

c)

Tidal Range

d)

Tidal Current

65.

What is the movement of water generated by or associated with the change in mean sea level called?

a)

Tidal Variation

b)

Tidal volume

c)

Tidal Range

d)

Tidal Current

66.

On what is two-pool tidal system is less dependent?

a)

Barrage

b)

Tidal fluctuation

c)

Reservoir

d)

Gravitational force

67.

How much must be the tidal range over barrage to be feasible?

a)

7 meters

b)

25 meters

c)

10 meters

d)

20 meters

68.

Any location where the fresh water meets salty water is called _________

a)

Dredging

b)

River

c)

Delta

d)

Estuary

69.

How many high peaks occur in a single pool tidal system?

a)

1

b)

2

c)

3

d)

4

70.

What happens if the turbine generators are smaller and operate much longer?

a)

Resulting work is reduced

b)

High power generation

c)

Less power loss

d)

Less sound is created

71.

What is time period for one tide to occur in a day?

a)

6h, 12.5 min

b)

6h, 40.5 min

c)

6h, 0 min

d)

6h, 25.6 min

72.

Which of the turbine can be mounted vertically and horizontally?

a)

Pelton wheel

b)

Kaplan turbine

c)

Gorlov turbine

d)

Francis turbine

73.

What types of tides occur when there is so much interference with continents?

a)

Neap tide

b)

Spring tide

c)

Ebb tide

d)

Diurnal tide

74.

For exactly how much time does it take for one tidal cycle?

a)

22h, 20min

b)

24h, 50min

c)

20h, 10min

d)

22h, 50min

75.

What type of tide is it if the difference between high and low tide is greatest?

a)

Diurnal tide

b)

Neap tide

c)

Spring tide

d)

Ebb tide

76.

A tide whose difference between high and low tides is least is called as __________

a)

Diurnal tide

b)

Neap tide

c)

Spring tide

d)

Ebb tide

77.

Water to the turbine is allowed through the __________

a)

Pipes

b)

Sluice gates

c)

Canals

d)

Pumps

78.

How is water trapped from coastal waters?

a)

By building canals

b)

By building dams

c)

By digging wells

d)

By storing in tanks

79.

Which type of turbine is commonly used in tidal energy?

a)

Francis turbine

b)

Kaplan turbine

c)

Pelton wheel

d)

Gorlov turbine

80.

How is OTEC caused?

a)

By wind energy

b)

By geothermal energy

c)

By solar energy

d)

By gravitational force

81.

How many basins does a single pool tidal system have?

a)

1

b)

2

c)

3

d)

4

82.

How much energy is estimated as total tidal power that is generated throughout the world?

a)

12 X 106 MW

b)

4.9 X 106 MW

c)

8.3 X 106 MW

d)

2.4 X 106 MW

83.

Tidal energy uses power from the _____ to make electricity.

a)

sun

b)

moon

c)

ocean tides

d)

wind

84.

Thermal gradient in a geo thermal plant is given by

a)

Heat flux * thermal conductivity

b)

Heat flux / thermal conductivity

c)

Thermal conductivity / heat flux

d)

None of these

85.

In a fuel cell, electrical energy is produced by

a)

Reaction of hydrogen with oxygen

b)

Thermionic action

c)

Combustion of fuel in the absence of oxygen.

d)

None of the above

86.

Tidal energy utilizes

a)

Kinetic energy of water

b)

Potential energy of water.

c)

Both (a) and (b)

d)

None of these

87.

Tidal energy development needs

a)

Huge capacity and long construction time.

b)

Huge capacity and low construction time.

c)

Low capacity and long construction time.

d)

Low capacity and low construction time.

88.

The wind intensity can be described by

a)

Reynolds number

b)

Mach number

c)

Beaufort number

d)

Froude number

89.

Global Cold wind generated from Oceans moves to

a)

Mountains

b)

Equator

c)

Plain areas

d)

Poles

90.

_____ force is responsible for forcing the global winds towards westernly direction.

a)

Coriolis

b)

Gravitational

c)

Centripetal

d)

Centrifugal

91.

Global winds towards westernly direction are known as

a)

Trade winds

b)

Western winds

c)

Eastern winds

d)

None of the above

92.

Uneven heating occurs on land surface and water bodies are due to _____

a)

Air Currents

b)

Solar radiation

c)

Lunar eclipse

d)

None of the above

93.

Wind energy is harnessed as ______ energy with the help of windmill or turbine.

a)

Mechanical

b)

Solar

c)

Electrical

d)

Heat

94.

Winds having following speed are suitable to operate wind turbines.

a)

5 – 25m/s

b)

10 – 35m/s

c)

20 – 45m/s

d)

30 – 55m/s

95.

The following is (are) the classification of winds

a)

Global wind

b)

Local wind

c)

Both (A) and (B)

d)

None of the above

96.

Global Cold wind move from

a)

Polar to equatorial region

b)

Equatorial to polar region

c)

Equatorial to oceanic region

d)

Oceanic to Equatorial region

97.

Name the windmill which has four blades mounted on a central post.

a)

Post mill

b)

Smock mill

c)

Tower mill

d)

Fan mill

98.

Which is the wind direction showing device that spins perpendicularly?

a)

Wind socks

b)

Weather vane

c)

Pin wheels

d)

Anemometers

99.

At what type of location vibrations are more in the wind turbine?

a)

Up wind location

b)

Windward

c)

Leeward

d)

Downwind location

100.

Which type of the following consists of single blade?

a)

Horizontal axis with two aerodynamic blades

b)

Horizontal axis propeller type wind mill

c)

Horizontal axis multi bladed type wind mill

d)

Sail type wind mill

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