MCQOPTIONS
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MCQOPTIONS
This section includes 487 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Management knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
According to WHO, how many premature deaths annually linked to air pollution causing by the burning of fossil fuels? |
| A. | One million |
| B. | Three million |
| C. | Five million |
| D. | Seven million |
| Answer» E. | |
| 2. |
How many forms of fossil fuels are there________________ |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |
| 3. |
In order to produce solar energy during sunlight, where the energy is stored in the batteries? |
| A. | Nickel Sulfur |
| B. | Zinc Cadmium |
| C. | Nickel Cadmium |
| D. | Nickel Zinc |
| Answer» D. Nickel Zinc | |
| 4. |
Solar panels generate electricity. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Acoording to report of NITI Aayog, which city from South India will have zero ground water by 2020? |
| A. | Kozbikode |
| B. | Thiruvananthapuram |
| C. | Chennai |
| D. | Mysuru |
| Answer» D. Mysuru | |
| 6. |
Match the following correctly:ProductUsageP) Petroleum ethera. FuelQ) Paraffin waxb. Solvent in perfumes for dry cleaningR) Asphalt and cokec. Roofing, Road Construction, ElectrodeS) Gasolined. Ointments & Cosmetics A. P-a, Q-b, R-c, S-dB. P-b, Q-d, R-c, S-aC. P-d, Q-b, R-c, S-aD. P-d, Q-c, R-b, S-a |
| A. | B |
| B. | A |
| C. | D |
| D. | C |
| Answer» B. A | |
| 7. |
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason RAssertion A: Lakes are less prone to getting polluted than riverReason R: Water in lakes gets replaced through natural processIn light of the above statements, choose the most appropriate answer from the options given below |
| A. | Both A and R are correct and R is the correct explanation of A |
| B. | Both A and R are correct but R is NOT the correct explanation of A |
| C. | A is correct but R is not correct |
| D. | A is not correct but R is correct |
| Answer» E. | |
| 8. |
consider the following statements regarding solar energy:1. To encourage the adoption of solar energy production, many State Governments and the Centre have announced plans by way of buy back as well as subsidies for installation2. Land acquisition of several hectares is a bottleneck in implementing this programme3. Considerable R & D effort is needed to bring down the cost of P - V cellsWhich of the above statements are correct? |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 1, 2 and 3 |
| D. | 2 and 3 only |
| Answer» D. 2 and 3 only | |
| 9. |
A clean anaerobic fuel of organic origin is |
| A. | Biogas |
| B. | Coal |
| C. | Minerals |
| D. | Solar Energy |
| Answer» B. Coal | |
| 10. |
In terms of the Percentage of Wind Power Potential Utilized, Madhya Pradesh ranks _______ among all the Indian states. |
| A. | Second |
| B. | Seventh |
| C. | First |
| D. | Fourth |
| Answer» C. First | |
| 11. |
For wind power electricity generation which among the following type of rotors is most commonly used? |
| A. | Multiblade rotor |
| B. | Propeller rotor |
| C. | Savonius rotor |
| D. | Darrieus rotor |
| Answer» C. Savonius rotor | |
| 12. |
Consider the following characteristics with respect to Alpha particles:1. They have large specific ionization values.2. They dissipate their energy rather slowly.3. They can penetrate the outer layer of human skin.4. Their emitters are heavy elements.Which of the above statements are correct? |
| A. | 1 and 4 only |
| B. | 1 and 3 only |
| C. | 2 and 4 only |
| D. | 2 and 3 only |
| Answer» B. 1 and 3 only | |
| 13. |
From which tree 'Charcoal' is made of? |
| A. | Babool |
| B. | Pipal |
| C. | Dhokda |
| D. | Palash |
| Answer» B. Pipal | |
| 14. |
According to the classification of Ministry of New Renewable Energy and Central Electricity Authority of India, small hydro power plants have capacity in the range |
| A. | 1 - 25 MW |
| B. | 100 - 1000 kW |
| C. | 1 - 50 MW |
| D. | 1 - 100 kW |
| Answer» B. 100 - 1000 kW | |
| 15. |
Identify the correct sequence of biomass fuels in terms of their energy content per unit mass. |
| A. | Dung (dry) > Coconut Shells > Unsorted domestic refuse |
| B. | Unsorted domestic refuse > Coconut Shells > Dung (dry) |
| C. | Wood (dry( > Coconut Shells > Unsorted domestic refuse |
| D. | Coconut Shells > Dung (dry) > Unsorted domestic refuse |
| Answer» E. | |
| 16. |
identify the correct sequence in increasing order of the carbon content per unit mass of the following reservoirs of carbon in terrestrial environmentA. PlantsB. PeatC. Soil organic matterD. Fossil fuelsChoose the correct answer from the options given below |
| A. | B, A, C, D |
| B. | A, C, B, D |
| C. | B, C, D, A |
| D. | B, A, D, C |
| Answer» B. A, C, B, D | |
| 17. |
A geothermal reserve has the stored best of \({5\times}{10^{19}}J\) If the overall efficiency of a geothermal power plant based on this reserve is 0.04. How much power can be produced by the plant in 1 year? |
| A. | 0.32 GW |
| B. | 0.64 GW |
| C. | 2.62 GW |
| D. | 63.41 GW |
| Answer» E. | |
| 18. |
Direction: It consists of two statements, one labelled as ‘Statement (I)’ and the others as ‘Statement (II)’. You are to examine these two statements carefully and select the answer using the codes given below:Statement (I): Green energy refers to one which does not harm the ecosystem of planet earth.Statement (II): All renewable energy is green energy. |
| A. | Both Statement (I) and Statement (II) individually true and Statement (II) is the correct explanation of Statement (I) |
| B. | Both statement (I) and Statement (II) are individually true, but Statement (II) is not the correct explanation of Statement (I) |
| C. | Statement (I) is true, but Statement (II) is false |
| D. | Statement (I) is false, but Statement (II) is true |
| Answer» D. Statement (I) is false, but Statement (II) is true | |
| 19. |
Given below are two statements, one is labeled as Assertion A and the other is labeled as Reason RAssertion A: In the contemporary environmental discourse, small hydropower plants are preferred over large hydropower plantsReason R: Installation of a small hydropower plant is less capital intensive compared to a large hydropower plantIn light of the above statements, choose the most appropriate answer from the options given below |
| A. | Both A and R are correct and R is the correct explanation of A |
| B. | Both A and R are correct but R is NOT the correct explanation of A |
| C. | A is correct but R is not correct |
| D. | A is not correct but R is correct |
| Answer» C. A is correct but R is not correct | |
| 20. |
Biogas is essentially a mixture of |
| A. | Methane and Hydrogen |
| B. | Methane and Helium |
| C. | Methane and Carbon dioxide |
| D. | Methane and Nitrogen |
| Answer» D. Methane and Nitrogen | |
| 21. |
______ holds a major stake in Numaligarh Refinery Limited. |
| A. | Hindustan Petroleum |
| B. | Bharat Petroleum |
| C. | Chennai Petroleum |
| D. | Reliance petrochemicals |
| Answer» C. Chennai Petroleum | |
| 22. |
Choose the set of non-renewable resources |
| A. | Uranium, natural gas, soil |
| B. | Natural gas, uranium, phosphates |
| C. | Petroleum, uranium, geothermal energy |
| D. | Shale gas, uranium, soil |
| Answer» C. Petroleum, uranium, geothermal energy | |
| 23. |
India has huge Thorium reserve, a potential source of nuclear energy. This thorium reserve is mainly confined in the |
| A. | rocks of Chota Nagpur plateau |
| B. | muds of Sunderban delta |
| C. | coastal sands of Kerala sea |
| D. | sands of Thar desert |
| Answer» D. sands of Thar desert | |
| 24. |
Large number of people have serious apprehensions about..............energy. |
| A. | Fossil fuel |
| B. | Nuclear |
| C. | Hydro-electricity |
| D. | Solar |
| Answer» C. Hydro-electricity | |
| 25. |
Identify the correct sequence of the following States Union of India in terms of increasing wind energy potentialA. GujaratB. RajasthanC. Madhya PradeshD. Tamil NaduChoose the correct answer from the options given below |
| A. | D, C, B, A |
| B. | B, D, C, A |
| C. | B, C, A, D |
| D. | B, C, D, A |
| Answer» B. B, D, C, A | |
| 26. |
Bio gas consists of |
| A. | Carbon monoxide, Methane and Hydrogen |
| B. | Carbon dioxide, Methane and Hydrogen |
| C. | Carbon monoxide, Ethane and Hydrogen |
| D. | Carbon dioxide, Ethane and Hydrogen |
| Answer» C. Carbon monoxide, Ethane and Hydrogen | |
| 27. |
Choose the correct group of conventional sources of energy from the following: |
| A. | Hydro power, geothermal energy, tidal energy |
| B. | Nuclear energy, solar energy, hydel power |
| C. | Oil, natural gas, firewood |
| D. | Coal, firewood, biogas |
| Answer» D. Coal, firewood, biogas | |
| 28. |
Flyash means |
| A. | Ash that is generated in industries |
| B. | Dust produced by cement industries |
| C. | Produced by thermal power plants |
| D. | The smoke that is generated when plastic is burnt |
| Answer» D. The smoke that is generated when plastic is burnt | |
| 29. |
Consider the following data for a domestic biogas plant:Number of cows = 5Retention time = 20 daysTemperature = 30°CDry matter consumed = 2 kg/dayBiogas yield = 0.24 m3/kgEfficiency of burner = 60%Methane proportion = 0.8Heat of combustion of Methane = 28 MJ/m3Density of dry material in fluid = 50 kg/m3The power available from the digester will be nearly |
| A. | 16.2 MJ/clay |
| B. | 24.3 MJ/day |
| C. | 32.3 MJ/day |
| D. | 48.6 MJ/day |
| Answer» D. 48.6 MJ/day | |
| 30. |
Given below are two statements, one is labeled as Assertion A and the other is labeled as Reason RAssertion A: A windmill with proper design considerations can be made to operate at efficiencies in the range of 60% to 65%Reason R: The efficiency of the windmill depends on its design parameters.In light of the above statements, choose the most appropriate answer from the options given below |
| A. | Both A and R are correct and R is the correct explanation of A |
| B. | Both A and R are correct but R is NOT the correct explanation of A |
| C. | A is correct but R is not correct |
| D. | A is not correct but R is correct |
| Answer» B. Both A and R are correct but R is NOT the correct explanation of A | |
| 31. |
Arrange the following countries in increasing order of their installed capacities of wind energy (as on 2018):a) Chinab) Indiac) USAd) Francee) GermanyChoose the correct answer from the options given below: |
| A. | d < e < c < b < a |
| B. | d < e < b < c < a |
| C. | d < b < e < c < a |
| D. | e < d < b < c < a |
| Answer» D. e < d < b < c < a | |
| 32. |
According to the Stokes’ law, the rate of settling of the particles depends on the terminal settling velocity vt which isWheredp = Particle diameterρp = Density of particleρa = Density of airμa = Velocity of airP = Air pressureC = Constant |
| A. | \(\frac{{gd_p^2}}{{18{\mu _a}}}\left( {{\rho _p} - {\rho _a}} \right)\left[ {1 + \frac{{2C}}{{{d_p}P}}} \right]\) |
| B. | \(\frac{{gd_p^2}}{{18{\mu _a}}}\left( {{\rho _p} + {\rho _a}} \right)\left[ {1 - \frac{{2C}}{{{d_p}P}}} \right]\) |
| C. | \(\frac{{gd_p^2}}{{18{\mu _a}}}\left( {{\rho _p} - {\rho _a}} \right)\left[ {1 - \frac{{2C}}{{{d_p}P}}} \right]\) |
| D. | \(\frac{{gd_p^2}}{{18{\mu _a}}}\left( {{\rho _p} + {\rho _a}} \right)\left[ {1 + \frac{{2C}}{{{d_p}P}}} \right]\) |
| Answer» B. \(\frac{{gd_p^2}}{{18{\mu _a}}}\left( {{\rho _p} + {\rho _a}} \right)\left[ {1 - \frac{{2C}}{{{d_p}P}}} \right]\) | |
| 33. |
Boigas is predominantly |
| A. | Hydrogen |
| B. | Carbon monoxide |
| C. | Carbon dioxide |
| D. | Methane |
| Answer» E. | |
| 34. |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R) : Assertion (A): Solar ponds, store solar energy in the form of heat.Reason (R): Solar ponds contain water with a definite gradient of salt concentration. In the light of the above statements. choose the most appropriate answer from the options given below : |
| A. | Both (A) and (R) are correct and (R) is the correct explanation of (A) |
| B. | Both (A) and (R) are correct but (E) is NOT the correct explanation of (A) |
| C. | (A) is correct but (R) is not correct |
| D. | (A) is not correct but (R) is correct |
| Answer» B. Both (A) and (R) are correct but (E) is NOT the correct explanation of (A) | |
| 35. |
If the efficiencies of the boiler, turbine and generator are 85%, 45% and 95% respectively, then the efficiency of the power plant is |
| A. | 75% |
| B. | 45% |
| C. | 36.3% |
| D. | 28.7% |
| Answer» D. 28.7% | |
| 36. |
Hydrogen provides a medium for energy |
| A. | Storage |
| B. | Production |
| C. | Utilizer |
| D. | Inhabitor |
| Answer» B. Production | |
| 37. |
Average annual energy use per capita in world is about: |
| A. | 1.7 toe |
| B. | 1.8 toe |
| C. | 2 toe |
| D. | 7 toe |
| Answer» B. 1.8 toe | |
| 38. |
In middle east the oil production is 31.9%, while consumption is |
| A. | 7.80% |
| B. | 6.70% |
| C. | 5.70% |
| D. | 8.70% |
| Answer» B. 6.70% | |
| 39. |
What are the causes of smoke and other particles suspended in the atmosphere? |
| A. | Burning of fossil fuel |
| B. | Waste burnt from chemical factories |
| C. | Waste burnt from factories/Burning of fossil fuel/Bare soil in the agricultural areas |
| D. | Waste burnt from factories/Burning of Plastics/Loss of topsoil agricultural areas |
| Answer» D. Waste burnt from factories/Burning of Plastics/Loss of topsoil agricultural areas | |
| 40. |
Incandescent light bulb is about 3% efficient in converting primary energy into |
| A. | Kinetic energy |
| B. | Light Energy |
| C. | Wind energy |
| D. | Solar Energy |
| Answer» C. Wind energy | |
| 41. |
Fast running water drives the turbines that work the generators and produces |
| A. | Wave energy |
| B. | Nuclear weapon |
| C. | Nuclear Energy |
| D. | Electricity |
| Answer» E. | |
| 42. |
The larger the dam, there is more possibility of social and |
| A. | Environmental problems |
| B. | Economical problems |
| C. | Flood |
| D. | Resettlement |
| Answer» B. Economical problems | |
| 43. |
Developing countries are also making up more rapid use of |
| A. | Solar Energy |
| B. | Wind Energy |
| C. | Nulear energy |
| D. | Coal energy |
| Answer» C. Nulear energy | |
| 44. |
The decomposition of plants and animals forms |
| A. | Coal |
| B. | Fuel |
| C. | Fossil Fuels |
| D. | Natural Gas |
| Answer» D. Natural Gas | |
| 45. |
Cost of energy from solar cells has reduced over past |
| A. | 10 Years |
| B. | 20 Years |
| C. | 30 Years |
| D. | 70 Years |
| Answer» C. 30 Years | |
| 46. |
Fusion power has been produced on earth at level up to: |
| A. | 10MW |
| B. | 16MW |
| C. | 90MW |
| D. | 30 MW |
| Answer» C. 90MW | |
| 47. |
Energy produced from fossilfuels includes |
| A. | Coal |
| B. | Ntural gas |
| C. | Oil |
| D. | All of above |
| Answer» E. | |
| 48. |
What are the other effects of high level of ozone in the atmosphere? |
| A. | Increase the risk of cancer in people |
| B. | Infections |
| C. | Asthma problems |
| D. | Skin Disease |
| Answer» B. Infections | |
| 49. |
Solar energy gain through windows and roof are known as: |
| A. | Passive Solar Again |
| B. | Active Solar Gain |
| C. | Passive Solar Loss |
| D. | Active Solar Loss |
| Answer» B. Active Solar Gain | |
| 50. |
By 2000, japan had installed a capacity of about |
| A. | 400MW |
| B. | 320 MW |
| C. | 1000MW |
| D. | 900MW |
| Answer» C. 1000MW | |