Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

In 1998, total installed world capacity of PV increased, approximately

A. 500 MW
B. 400 MW
C. 700 MW
D. 800 MW
Answer» B. 400 MW
2.

Fuel cells are known as:

A. Pollution free
B. Pollution enhancers
C. Pollution promotors
D. Pollution control
Answer» B. Pollution enhancers
3.

Calculated and estimated energy utilized by deprived and low class is

A. 0.2 toe
B. 0.9 toe
C. 0.7 toe
D. 0.6 toe
Answer» B. 0.9 toe
4.

PV solar cells make better contribution in

A. Energy Suppy
B. Energy Intensity
C. Energy Cost
D. Electricity Cost
Answer» B. Energy Intensity
5.

Carbon intensity of natural gas is 25% less than:

A. Oil
B. liquid
C. Coal
D. Nitrogen
Answer» B. liquid
6.

Hospitals, having less premises, can be benefited from an electrical power source about

A. 12-20 kW
B. 1-2 kW
C. 10-40kW
D. 4-8 kW
Answer» C. 10-40kW
7.

Iceland is also known as:

A. The land of rising sun
B. The land of fire and ice
C. The land of thousand lakes
D. The land of agriculture
Answer» C. The land of thousand lakes
8.

Which gas is produced from biofuel?

A. Methane Gas
B. Ethyl
C. Natural Gas
D. Nitrogen Gas
Answer» B. Ethyl
9.

97% of the atmosphere mass is within

A. 110 km of the surface
B. 30 km of the surface
C. 20 km of the surface
D. 40 km of the surface
Answer» C. 20 km of the surface
10.

Poor irrigation system is causing salinization and

A. Loss of crop land
B. loss of Soil
C. Loss of productivity
D. Loss of topsoil
Answer» B. loss of Soil
11.

Tidal energy installation, potentially generating a power, about

A. 800MW
B. 9000MW
C. 8000MW
D. 900MW
Answer» D. 900MW
12.

When the three gorges dam was built by china?

A. 2000
B. 1989
C. 1992
D. 1999
Answer» D. 1999
13.

Air transport accounts 13% GHGs in

A. Industrilized world
B. Progressive Countries
C. Developing countries
D. All of them
Answer» B. Progressive Countries
14.

UK and USA have relatively poor standard of building insulation as compared to

A. South Asian countries
B. Asian Countries
C. African Countries
D. Scandanavian countries
Answer» E.
15.

'Nuclear' energy is produced from:

A. Metals
B. Radioactive elements
C. Biomass
D. Minerals
Answer» C. Biomass
16.

What has a high Albedo?

A. water
B. Rain
C. Snow
D. Precipitation
Answer» D. Precipitation
17.

Substantial energy can be generated from

A. Ocean Nutrients
B. Ocean Salts
C. Ocean Waves
D. Ocean Water
Answer» D. Ocean Water
18.

Fast flowing water, such as from a waterfall is known as

A. Solar energy
B. Wind energy
C. Hydro-energy
D. Biomass energy
Answer» D. Biomass energy
19.

Hydropower is a good source of

A. Heat energy
B. Wind energy
C. Thermal energy
D. Physical change
Answer» B. Wind energy
20.

A source that can be used for a long time into future is known as

A. Wind Energy
B. Renewable energy
C. Non renewable energy
D. Solar Energy
Answer» D. Solar Energy
21.

Nuclear power is environmentally safer than

A. Fossil fuels
B. Natural Gas
C. Oil
D. C and B
Answer» B. Natural Gas
22.

The developed countries consume how much percent of energy?

A. 70%
B. 60%
C. 30%
D. 20%
Answer» B. 60%
23.

Renewable energies included

A. Wind energy
B. Solar energy
C. Hydro Energy
D. All of above
Answer» E.
24.

In USA, solar thermal installations provide over 350 MW for

A. Domestic Purpose
B. Commercial Electricity
C. Indutries
D. Heating purpose
Answer» C. Indutries
25.

Coal, Oil and natural gas are three

A. Fossil fuels
B. reversible energy resources
C. infinite Resources
D. Artificial resources
Answer» B. reversible energy resources
26.

Why back tube of solar water heater is surrounded with a vaccum?

A. To provide support
B. to cease the leakage
C. For insulation
D. To enhance efficiency
Answer» D. To enhance efficiency
27.

Which source of energy is the cheapest ways of making electricity?

A. Hydro electric power
B. solar energy
C. Nuclear Energy
D. wind energy
Answer» B. solar energy
28.

Three Gorges generates

A. Fuel energy
B. Heat energ
C. Electricity
D. Kinetic energy
Answer» D. Kinetic energy
29.

Which method of mining is used, when the seams of coal lie to far below the surface?

A. Deep mining
B. Opencast mining
C. Deep and open cast mining
D. Drilling
Answer» B. Opencast mining
30.

The atmosphere extends up to

A. 2000km
B. 1000km
C. 4000km
D. 3000km
Answer» C. 4000km
31.

Where the insolation is greatest?

A. Equator
B. Tropics
C. Both a and b
D. None of these
Answer» D. None of these
32.

Photovoltaic' cells efficiency ratio increases in:

A. Sunlight
B. Water
C. Natural Resources
D. Minerals
Answer» B. Water
33.

The process of crushing, refining and smelting, produce fume and dust which causes which pollution

A. Air pollution
B. Waste pollution
C. Water Pollution
D. Industrial Pollution
Answer» C. Water Pollution
34.

In uk, goal of first energy policy involved:

A. Reduction of greenhouse gases
B. Reduction of sulphur
C. Accumulation of lactic acid
D. Production of citric acid
Answer» B. Reduction of sulphur
35.

Fuel cells, having high effeciency roundabout:

A. 20-40%
B. 70-90%
C. 50-80%
D. 10-60%
Answer» D. 10-60%
36.

How much energy is being used in transportation?

A. 0.3
B. 0.1
C. 0.5
D. 0.22
Answer» E.
37.

What are the three common purpose of construction of Dam?

A. Water Supply/Flood control/Electricity generation
B. Natural Disaster control/ Storage of water
C. Electricity Generation/ Storage of water
D. Sustainable development
Answer» B. Natural Disaster control/ Storage of water
38.

In 1982, 50-kW wind generator was installed in Fair Isle to generate

A. Electricity
B. Wind Energy
C. Solar Energy
D. Nuclear energy
Answer» B. Wind Energy
39.

In which continent, 75% of wind energy is geenerated?

A. Africa
B. America
C. Europe
D. Asia
Answer» D. Asia
40.

How much oil was produced by Kuwait in 2008?

A. 137.3 million tones
B. 136.4 million tones
C. 122.5 million tones
D. 120.6 million tones
Answer» B. 136.4 million tones
41.

Humans exposed to higher than average level of radiation develops to

A. Cancer and leukemia
B. Menamata
C. Eye disease
D. Tuberculosis
Answer» B. Menamata
42.

An important component of a solar water heater:

A. Tower
B. Turbines
C. Expansion tank
D. Pipes
Answer» D. Pipes
43.

In Europe's supermarkets, heat given out from the freezers and frighes are fed into the offices for

A. Cooling
B. Heating
C. Condensing
D. reuse
Answer» C. Condensing
44.

Which country is water poor but fossil foil rich?

A. Egypt
B. Brazil
C. Pakistan
D. India
Answer» B. Brazil
45.

What is the source of Solar energy?

A. Water
B. Sunlight
C. Fossil fuel
D. Nuclear
Answer» C. Fossil fuel
46.

What are the direct effects of high level of ozone in the atmosphere?

A. Depletes the Natural resources/Leading to ozone hole
B. Polluting the air
C. Depletes the ozone layer in the stratosphere/Leading to ozone hole
D. Global Warming
Answer» D. Global Warming
47.

Steel companies use electric furnaces, which are the most energy efficient way of making

A. Steel
B. Copper
C. Silver
D. Gold
Answer» B. Copper
48.

'Photovoltaic' cells convert sunlight into:

A. Electricity
B. Light
C. Heat
D. Energy
Answer» B. Light
49.

What is the greatest contributor of gases in the atmosphere?

A. Internal Combustion Engine in cars
B. Vehicles
C. Industries
D. Emissions from coal plants
Answer» B. Vehicles
50.

Which region of the world is the second largest produces oil?

A. North America
B. Africa
C. Middle East
D. Russia
Answer» B. Africa