RES UNIT 2 MCQ PDF

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1. What does Heating and cooling of the atmosphere generates? a) Thermo line circulation b) Radiation currents c) Convection currents d) Conduction currents 2. How much is the energy available in the winds over the earth surface is estimated to be? a) 2.9 X 120 MW b) 1.6 X 107 MW c) 1 MW d) 5MW

3. How much wind power does India hold? a) 20,000 MW b) 12,000 MW c) 140,000 MW d) 5000 MW

4. What is the main source for the formation of wind? a) Uneven land b) Sun c) Vegetation d) Seasons 5. Which country created wind mills? a) Egypt b) Mongolia c) Iran d) Japan

6. “During the day, the air above the land heats up more quickly than the air over water”. a) True b) False

7. 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 8. What type of energy is wind energy? a) Renewable energy b) Non-renewable energy c) Conventional energy d) Commercial energy

9. What are used to turn wind energy into electrical energy? a) Turbine b) Generators c) Yaw motor d) Blades

10. What is the diameter of wind turbine blades? a) 320 feet b) 220 feet c) 80 feet d) 500 feet

11. At what range of speed is the electricity from the wind turbine is generated? a) 100 – 125 mph b) 450 – 650 mph c) 250 – 450 mph d) 30-35 mph 12. When did the development of wind power in India began? a) 1965 b) 1954 c) 1990 d) 1985

13.What is wind (A) air blowing very fast (B) air blowing very slow (C) air blowing at a point (D) still air

14.Wind energy can be used to (A) generate electricity (B) operate flour mills (C) draw underground water (D) all of the above

15.The wind speed is measured using an instrument called (A) hydrometer (B) Manometer (C) anemometer

(D) wind vane

16.The gradient height is about _____ m from the ground. (A) 500 (B) 1000 (C) 1500 (D) 2000

17.Surface layer is the air layer considered from the height of local obstruction to a height of about 50m (A) 50m (B) 100m (C) 150m (D) 200m

18. Which of the following generation station has minimum running cost? a) Thermal power station b) Hydro-electric power station c) Nuclear power station d) None of these 19. Which of the following method of generating electric power from sea water is more advantageous? a) Wave power b) Ocean Currents c) Tidal power d) None of these

20. The EHV system in one operating beyond

a) 11 kV b) 132 kV c) 200 kV d) 400 kV

21. The principal type of failure in wind power generation is in a) Aerodynamic system b) Electrical system c) Mechanical system d) Both (b) and (c) above 22. The magnitude of power constant in wind mill depends on a) Shape of rotor blades b) Wind velocity c) Orientation of rotor blades d) Both (a) and (b) above 23. Wind energy a) Is clean, almost free and domestically produced b) Has higher cost comparatively c) Develops power proportional to the power of the wind d) All of these 24. The rating of MHD generator per unit volume is proportional to a) The electrical conductivity of the fluid b) Square of the flow velocity of the fluid c) Square of magnetic flux density d) All of these

25. The conduction used in MHD generator is a) Gas b) Liquid c) Copper d) Aluminum

26. The current developed in MHD generators is a) ac b) pulsating c) dc d) Either (a) or (b) above 27. In MHD generation, emf induced is a) Motionally induced emf b) Static emf c) Hall emf d) Both (a) and (c) above 28. Which of the following is a disadvantage of renewable energy? a) High pollution b) Available only in few places c) High running cost d) Unreliable supply

29. A Solar cell is an electrical device that converts the energy of light directly into electricity by the ____________ a) Photovoltaic effect b) Chemical effect c) Atmospheric effect d) Physical effect

30. Wood is a renewable resource. a) True b) False 31. In hydroelectric power, what is necessary for the production of power throughout the year? a) Dams filled with water b) High amount of air c) High intense sunlight

d) Nuclear power

32. The main composition of biogas is _______________ a) Methane b) Carbon dioxide c) Nitrogen d) Hydrogen

33. Which Ministry is mainly responsible for research and development in renewable energy sources such as wind power, small hydro, biogas and solar power? a) Human Resource Development b) Agriculture and Farmers Welfare c) Ministry of New and Renewable Energy d) Health and Family Welfare 34. 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 35. The world’s first 100% solar powered airport located at ____________ a) Cochin, Kerala b) Bengaluru, Karnataka c) Chennai, Tamil Nadu d) Mumbai, Maharashtra 36. 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 37. Where is the largest Wind Farm located in India? a) Jaisalmer Wind Park, Rajasthan b) Muppandal Wind Farm, Tamil Nadu c) Vaspet Wind Farm, Maharashtra d) Chakala Wind Farm, Maharashtra

38. Nuclear Energy is a Renewable Energy. a) True b) False 39. Which Indian enterprise has the Motto “ENERGY FOREVER”? a) Indian Renewable Energy Development Agency b) Indian Non-Renewable Energy Development c) Indian Agricultural Development d) Indian Biotechnology Development 40.Which of the following is (are) renewable resource(s) (A) wind (B) tides (C) geothermal heat (D) all of the above 41.Which of the following country generate all their electricity using renewable energy? (A) Iceland (B) England (C) USA (D) China 42.Renwable energy often displaces conventional fuel in which of the following area (A) space heating (B) transportation (C) electricity generation (D) all of the above 43.Which of the following is used as fuel for transportation (A) ethanol (B) aldehyde (C) ketone (D) all of the above 44.Biodiesel is produced from oils or fats using (A) fermentation (B) transesterification (C) distillation (D) none of the above

45.Photovoltaic cell converts solar energy into (A) heat energy (B) electric energy (C) mechanical energy (D) chemical energy 46.In which of the following region winds are stronger and constant (A) deserts (B) offshore (C) low altitudes sites (D) all of the above 47.Following country met more than 40% of its electricity demand from wind energy (A) Denmark (B) Portugal (C) Ireland (D) Spain 48.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 49.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 50.Biomass can be converted to (A) methane gas (B) ethanol (C) biodiesel (D) all of the above

51.The International Renewable Energy Agency (IRENA) was formed in (A) 2008 (B) 2009 (C) 2010 (D) 2011 52.Which of the following was the first solar powered aircraft to complete a circumnavigation of the world? (A) Solar impulse (B) Solar impulse 2 (C) Solar impulse 3 (D) Solar impulse 4 53.Following is true for biomass and biofuels (A) their contribution in reduction in CO2 emissions is limited (B) both emit large amount of air pollution when burned (C) they consume large amounts of water (D) all of the above...