MCQOPTIONS
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MCQOPTIONS
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. |
Thermal energy from sun is used for heating buildings in |
| A. | Winters |
| B. | Autumn |
| C. | Spring |
| D. | Summers |
| Answer» B. Autumn | |
| 2. |
In solar home system, an estemates of 15 to 75 watt energy gained by |
| A. | Wind |
| B. | Solar Array |
| C. | Wave |
| D. | Water |
| Answer» C. Wave | |
| 3. |
In which layer of atmosphere a little carbon dioxide and water vapor are present? |
| A. | Stratosphere |
| B. | Troposphere |
| C. | Thermosphere |
| D. | All of these |
| Answer» B. Troposphere | |
| 4. |
When was the Nairobi National park established? |
| A. | 1946 |
| B. | 1987 |
| C. | 1955 |
| D. | 1944 |
| Answer» B. 1987 | |
| 5. |
What is expensive to move a long distances and is traded only neighboring countries? |
| A. | Electricity |
| B. | Nuclear weapon |
| C. | Machines |
| D. | Coal |
| Answer» B. Nuclear weapon | |
| 6. |
What is produced by opencast and deep mining on the surface? |
| A. | Water pollution |
| B. | Air Pollution |
| C. | Waste |
| D. | Oil spillage |
| Answer» D. Oil spillage | |
| 7. |
Hydroelectric schemes can only provide few kelowatts of a power to |
| A. | Small Villages |
| B. | Large Villages |
| C. | Large cities |
| D. | Less populated continent |
| Answer» B. Large Villages | |
| 8. |
Most of world?s energy is produced from |
| A. | Solar Energy |
| B. | Fossil fuels |
| C. | Hydro Energy |
| D. | Waste Energy |
| Answer» C. Hydro Energy | |
| 9. |
In water poor but fossil fuel rich countries, the purpose of construction of dam is |
| A. | Power Supply |
| B. | Water Supply |
| C. | Sustainable development |
| D. | Storage of water for future generation |
| Answer» C. Sustainable development | |
| 10. |
The nuclear explosion occurred in 1986, in Chernobyl |
| A. | Ukraine |
| B. | Japan |
| C. | Germany |
| D. | France |
| Answer» B. Japan | |
| 11. |
Opencast mining leaves bigger scars on the landscape than the |
| A. | Deep mining |
| B. | Digging |
| C. | Mining |
| D. | refining |
| Answer» B. Digging | |
| 12. |
Why the top layer of stratosphere is warmest? |
| A. | Due to Sunlight |
| B. | Due to the presence of Ozone |
| C. | Both a and b |
| D. | None of these |
| Answer» C. Both a and b | |
| 13. |
Average electricity costs has fallen, up to |
| A. | 6 pkWh |
| B. | 7 pkWh |
| C. | 8 pkWh |
| D. | 4 pkWh |
| Answer» E. | |
| 14. |
What percent of population in developing countries has an access to clean water? |
| A. | 100% |
| B. | 71% |
| C. | 62% |
| D. | 20% |
| Answer» C. 62% | |
| 15. |
The air is dry in |
| A. | Troposphere |
| B. | Stratosphere |
| C. | Thermosphere |
| D. | Ionosphere |
| Answer» C. Thermosphere | |
| 16. |
What are the other effects of carbondioxides? |
| A. | Rising sea level/Change in the world weather |
| B. | Change in the world weather |
| C. | Melting of glacial |
| D. | emissions of Nox and Sox |
| Answer» B. Change in the world weather | |
| 17. |
Renewable energy do not contribute to air pollution and |
| A. | Waste Pollution |
| B. | Water pollution |
| C. | Nuclear Pollution |
| D. | Oil Spillage |
| Answer» C. Nuclear Pollution | |
| 18. |
Hybrid electrical vehicals has an efficiency of about: |
| A. | 0.6 |
| B. | 0.5 |
| C. | 0.7 |
| D. | 0.8 |
| Answer» C. 0.7 | |
| 19. |
What are the effects of smog on water bodies? |
| A. | Death of Fishes and Plants |
| B. | Death of plants |
| C. | Eutrophication |
| D. | Transfere of disease through foodchain |
| Answer» D. Transfere of disease through foodchain | |
| 20. |
Oil and gas are usually transported from the drilling site through |
| A. | Pipeline |
| B. | Manually |
| C. | Machines |
| D. | Vehicles |
| Answer» B. Manually | |
| 21. |
In 1995, energy of solar arrays being generated: |
| A. | 1.9kW |
| B. | 1.8kW |
| C. | 1.3 kW |
| D. | 2kW |
| Answer» D. 2kW | |
| 22. |
What approach is used for the conservation and management of energy? |
| A. | Wave energy |
| B. | solar energy |
| C. | Alternative energy |
| D. | wind energy |
| Answer» D. wind energy | |
| 23. |
Fossil fuels, holding high percentage of |
| A. | Oxygen |
| B. | Carbon |
| C. | Nitrogen |
| D. | Ammonia |
| Answer» C. Nitrogen | |
| 24. |
Almost, forty one percent of energy is used in: |
| A. | Indutries |
| B. | Transportation |
| C. | Demostic Purposes |
| D. | Heating |
| Answer» B. Transportation | |
| 25. |
In 1800, there were over 10,000 working windmills in |
| A. | USA |
| B. | Britain |
| C. | Germany |
| D. | France |
| Answer» C. Germany | |
| 26. |
Which type of energy has high cost of research into new technology? |
| A. | Non-Renewable energy |
| B. | Renewable energy |
| C. | Solar energy |
| D. | Hydro energy |
| Answer» B. Renewable energy | |
| 27. |
In iceland, large portion of electricity comes from 'hydroelectric' and |
| A. | Coal |
| B. | Hydro Energy |
| C. | Geothermal Sources |
| D. | Wind Energy |
| Answer» D. Wind Energy | |
| 28. |
Highest rates of energy consumption are in |
| A. | South America |
| B. | North America |
| C. | Europe |
| D. | Spain |
| Answer» C. Europe | |
| 29. |
In UK, first Energy policy was on Energy Changing Climate published in: |
| A. | 2000 |
| B. | 2002 |
| C. | 2003 |
| D. | 2009 |
| Answer» B. 2002 | |
| 30. |
HEP stands for |
| A. | Hydro-electric Power |
| B. | Hydro electronic power |
| C. | Hydrogen electron power |
| D. | Hydro-Energy Power |
| Answer» B. Hydro electronic power | |
| 31. |
PIU' stands for |
| A. | Power Invention Unit |
| B. | Pollution Invention Unit |
| C. | Pollution Innovation Unit |
| D. | Policy Innovation Unit |
| Answer» E. | |
| 32. |
Fossil fuels are stored in earth over |
| A. | Millions of years ago |
| B. | Decades ago |
| C. | Thousand years ago |
| D. | hundred thousands years ago |
| Answer» B. Decades ago | |
| 33. |
Layers of semi conductor materials produce a small electric current when heated by sun, in |
| A. | Photovoltaic cells |
| B. | Solar Energy |
| C. | Wind Energy |
| D. | Water vapors |
| Answer» B. Solar Energy | |
| 34. |
Second large hydro power schemes is located in |
| A. | Japan |
| B. | China |
| C. | India |
| D. | South America |
| Answer» E. | |
| 35. |
'WEC' stands for |
| A. | World Energy Council |
| B. | World Economy Council |
| C. | World economic council |
| D. | Wild Environment Council |
| Answer» B. World Economy Council | |
| 36. |
Hydrogen utilized by fuel cells, gained from a coal and |
| A. | Water |
| B. | Biomass |
| C. | Metals |
| D. | Oil |
| Answer» C. Metals | |
| 37. |
Half of the sunlight is absorbed by the |
| A. | Earths Surface |
| B. | Atmosphere |
| C. | Biosphere |
| D. | Hydrosphere |
| Answer» B. Atmosphere | |
| 38. |
Which country's greatest reserve is wild life? |
| A. | Nairobi |
| B. | USA |
| C. | Mexico |
| D. | Germany |
| Answer» B. USA | |
| 39. |
Wind turbines are common sight in which countries? |
| A. | Europe |
| B. | America |
| C. | Africa |
| D. | Asia |
| Answer» B. America | |
| 40. |
What is the temperature at the tropopause? |
| A. | −40°C |
| B. | −90°C |
| C. | −60°C |
| D. | −50°C |
| Answer» E. | |
| 41. |
Canada' and 'USA' has highest: |
| A. | Energy intensity |
| B. | Energy consumption |
| C. | Energy production |
| D. | Energy cost |
| Answer» B. Energy consumption | |
| 42. |
Energy efficiency of coal-fired power station has been improved, approximately |
| A. | 0.32 |
| B. | 0.5 |
| C. | 0.8 |
| D. | 0.33 |
| Answer» B. 0.5 | |
| 43. |
A wind energy generator, having three bladed propeller, approximetely, |
| A. | 40 m in diameter |
| B. | 50 m in diameter |
| C. | 80m in diameter |
| D. | 100m in diameter |
| Answer» C. 80m in diameter | |
| 44. |
By 2010, germany has been given a target of installing : |
| A. | 100000 roofs |
| B. | 200000 roofs |
| C. | 300000 roofs |
| D. | 400000 roofs |
| Answer» B. 200000 roofs | |
| 45. |
Council of management development is working on four energy scenarios in period of |
| A. | 2020 |
| B. | 2010 |
| C. | 2030 |
| D. | 2040 |
| Answer» B. 2010 | |
| 46. |
What would be the temperature of earth without carbon dioxide? |
| A. | 30 °C cold |
| B. | 40°C |
| C. | 50°C |
| D. | 60°C |
| Answer» B. 40°C | |
| 47. |
In water rich but fossil fuel poor countries, the purpose of construction of dam is |
| A. | Water Supply |
| B. | Power Supply |
| C. | Storage of water for future generation |
| D. | Sustainable development |
| Answer» C. Storage of water for future generation | |
| 48. |
Which zone's deletion can affects the marine ecosystem? |
| A. | Troposphere |
| B. | stratosphere |
| C. | Mesosphere |
| D. | thermosphere |
| Answer» C. Mesosphere | |
| 49. |
Which two gases forms the 99 percent of atmosphere? |
| A. | Nitrogen and Oxygen |
| B. | Watervapours |
| C. | Argon |
| D. | Carbon dioxide |
| Answer» B. Watervapours | |
| 50. |
Which source of energy has benefited from the improvement in technology? |
| A. | Hydro Energy |
| B. | solar energy |
| C. | Geothermal Energy |
| D. | wind energy |
| Answer» E. | |