MCQOPTIONS
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MCQOPTIONS
This section includes 74 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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. | Fumarole |
| Answer» E. | |
| 2. |
Earth’s outer layer rock is called as __________ |
| A. | Mantle |
| B. | Crust |
| C. | Outer core |
| D. | Asthenosphere |
| Answer» C. Outer core | |
| 3. |
Unlike other power plants, in geothermal power plants, no __________ is burned. |
| A. | Kerosene |
| B. | Petrol |
| C. | Bio gas |
| D. | Fossil fuel |
| Answer» E. | |
| 4. |
Most of the future geothermal power plants will be of ____________ type. |
| A. | Dry stream geothermal plants |
| B. | Flash geothermal plants |
| C. | Binary geothermal plants |
| D. | Neither dry stream nor flash |
| Answer» D. Neither dry stream nor flash | |
| 5. |
Binary geothermal power plants, the hot water is passed by a secondary fluid with less boiling point than ____________ |
| A. | Water |
| B. | 0oC |
| C. | 50oC |
| D. | 100oC |
| Answer» B. 0oC | |
| 6. |
Flash geothermal power plants turns the high pressure hot water into ___________ |
| A. | Low pressure hot water |
| B. | Low pressure cool water |
| C. | High pressure hot water |
| D. | High pressure hot water |
| Answer» C. High pressure hot water | |
| 7. |
Dry steam geothermal energy generator takes steam out of __________ in the ground. |
| A. | Fractures |
| B. | Rocks |
| C. | Magma |
| D. | Water |
| Answer» B. Rocks | |
| 8. |
Resources of geothermal energy range from the shallow ground to hot water. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
The geothermal energy is the ________ from the earth. |
| A. | Heat |
| B. | Light |
| C. | Photons |
| D. | Protons |
| Answer» B. Light | |
| 10. |
From what material is the float (platform) made of _____________ |
| A. | Molded plastic |
| B. | Thermocole |
| C. | Stainless steel |
| D. | Tubes |
| Answer» B. Thermocole | |
| 11. |
What is the full form of OTEC in Geothermal Energy? |
| A. | Ocean thermal energy cultivation |
| B. | Ocean thermal energy conversion |
| C. | Ocean techno energy conservation |
| D. | Ocean thermal energy consumption |
| Answer» C. Ocean techno energy conservation | |
| 12. |
Which is the working fluid in open cycle? |
| A. | Propane |
| B. | Water |
| C. | Engine oil |
| D. | ISO-butane |
| Answer» C. Engine oil | |
| 13. |
Which is the type of energy where the energy is harnessed by the heat accumulated on the surface of water? |
| A. | Wind energy |
| B. | Wave energy |
| C. | Ocean thermal energy conversion |
| D. | Solar energy |
| Answer» D. Solar energy | |
| 14. |
Who first recognized the OTEC? |
| A. | d'Arsonval |
| B. | Alexander Edmond Becquerel |
| C. | James Prescott joule |
| D. | LA Rance |
| Answer» B. Alexander Edmond Becquerel | |
| 15. |
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 |
| Answer» C. Spring tide | |
| 16. |
The working fluid chosen by Anderson OTEC cycle is ______ |
| A. | Propane |
| B. | Water |
| C. | Engine oil |
| D. | ISO-butane |
| Answer» B. Water | |
| 17. |
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 |
| Answer» E. | |
| 18. |
Earth's outer layer rock is called as __________ |
| A. | Mantle |
| B. | Crust |
| C. | Outer core |
| D. | Asthenosphere |
| Answer» C. Outer core | |
| 19. |
Which gas is always present in geothermal fields? |
| A. | CO2 |
| B. | H2S |
| C. | N2O |
| D. | H2O |
| Answer» C. N2O | |
| 20. |
Does harnessing of geothermal energy cause earthquakes? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 21. |
Which of the turbine can be mounted vertically and horizontally? |
| A. | Pelton wheel |
| B. | Kaplan turbine |
| C. | Gorlov turbine |
| D. | Francis turbine |
| Answer» D. Francis turbine | |
| 22. |
How much is the efficiency of geothermal plant? |
| A. | 0.28 |
| B. | 0.15 |
| C. | 0.42 |
| D. | 0.3 |
| Answer» C. 0.42 | |
| 23. |
Anderson cycle is also known as _________ |
| A. | Open cycle |
| B. | Claude cycle |
| C. | Closed cycle |
| D. | Otto cycle |
| Answer» D. Otto cycle | |
| 24. |
Which geothermal system utilizes relatively low temperature heat of geothermal sources? |
| A. | Hybrid geothermal Fossil system |
| B. | Flashed steam system |
| C. | Liquid dominated total flow concept |
| D. | Petro thermal systems |
| Answer» B. Flashed steam system | |
| 25. |
What is major disadvantage of wave energy? |
| A. | It is not efficient enough |
| B. | It is available only in ocean |
| C. | The harnessing cost is more |
| D. | Unstable during high wind pressures |
| Answer» C. The harnessing cost is more | |
| 26. |
What is the material used for building turbines in geothermal plant? |
| A. | Chrome steel |
| B. | Bronze alloys |
| C. | Cast iron |
| D. | Copper alloys |
| Answer» B. Bronze alloys | |
| 27. |
Who proposed closed cycle approach? |
| A. | Barjot |
| B. | Alexander Edmond Becquerel |
| C. | James Prescott joule |
| D. | LA Rance |
| Answer» B. Alexander Edmond Becquerel | |
| 28. |
Which material is recommended for condensate pipes? |
| A. | Cast iron |
| B. | Aluminum |
| C. | Copper |
| D. | Steel |
| Answer» C. Copper | |
| 29. |
How many known geothermal areas are there in India? |
| A. | 200 |
| B. | 340 |
| C. | 147 |
| D. | 60 |
| Answer» C. 147 | |
| 30. |
Water _________ decreases with an increase in temperature. |
| A. | volume |
| B. | density |
| C. | pressure |
| D. | force |
| Answer» C. pressure | |
| 31. |
Which geothermal systems are composed of hot dry rock (HDR) but no underground water? |
| A. | Hybrid geothermal Fossil system |
| B. | Flashed steam system |
| C. | Liquid dominated total flow concept |
| D. | Petro thermal systems |
| Answer» E. | |
| 32. |
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 |
| Answer» E. | |
| 33. |
How do Non-condensable gases escape from geothermal plant? |
| A. | Air vents |
| B. | Trap holes |
| C. | Condenser ejectors |
| D. | Centrifugal Filters |
| Answer» D. Centrifugal Filters | |
| 34. |
How many possible arrangements are there for Hybrid geothermal plants? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 35. |
Which kind geothermal plant is most common type? |
| A. | Dry steam |
| B. | Flash |
| C. | Binary |
| D. | Wet steam |
| Answer» C. Binary | |
| 36. |
What types of tides occur when there is so much interference with continents? |
| A. | Diurnal tide |
| B. | Neap tide |
| C. | Spring tide |
| D. | Ebb tide |
| Answer» B. Neap tide | |
| 37. |
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 |
| Answer» D. Tidal Current | |
| 38. |
Which is the environmental problem caused by geothermal energy? |
| A. | Landslide |
| B. | Loose soil |
| C. | Land surface subsidence |
| D. | Loss of fertility of land |
| Answer» D. Loss of fertility of land | |
| 39. |
Which among the following is problem caused by geothermal plant? |
| A. | Land usage |
| B. | Noise pollution |
| C. | Global warming |
| D. | Greenhouse effect |
| Answer» C. Global warming | |
| 40. |
Which process could avoid discharging large quantities into the river? |
| A. | Filtration |
| B. | Centrifuge distillation |
| C. | Re-injection |
| D. | Condensation |
| Answer» D. Condensation | |
| 41. |
A _______ attached to the float moves up and down inside a cylinder? |
| A. | chain |
| B. | barrel |
| C. | piston |
| D. | load |
| Answer» D. load | |
| 42. |
Any location where the fresh water meets salty water is called _________ |
| A. | Dredging |
| B. | River |
| C. | Delta |
| D. | Estuary |
| Answer» E. | |
| 43. |
Non condensable are environmentally undesirable because __________ |
| A. | tare not soluble |
| B. | they contain Solid particles |
| C. | they partly escape into atmosphere |
| D. | they damage the machineries |
| Answer» D. they damage the machineries | |
| 44. |
How are solids present in steam and water of geothermal energy removed? |
| A. | Flocculation |
| B. | De-sanding Hydro clones |
| C. | Centrifugal separators |
| D. | Gravity setting |
| Answer» D. Gravity setting | |
| 45. |
A spring that shoots jets of hot water and steam into the air is called as _______ |
| A. | Mine hole |
| B. | Geyser |
| C. | Hot spring |
| D. | Mud pot |
| Answer» C. Hot spring | |
| 46. |
Which of the following can affect the fisheries in river? |
| A. | Heat pollution |
| B. | Noise pollution |
| C. | Land erosion |
| D. | Air borne poisons |
| Answer» B. Noise pollution | |
| 47. |
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. | Fumarole |
| Answer» E. | |
| 48. |
Which country has world's largest tidal power plant? |
| A. | Netherlands |
| B. | South Korea |
| C. | Laos |
| D. | Bolivia |
| Answer» C. Laos | |
| 49. |
What type of energy is wave energy? |
| A. | Non – conventional |
| B. | Commercial |
| C. | Non – renewable |
| D. | Exhaustible |
| Answer» B. Commercial | |
| 50. |
BINARY_GEOTHERMAL_POWER_PLANTS,_THE_HOT_WATER_IS_PASSED_BY_A_SECONDARY_FLUID_WITH_LESS_BOILING_POINT_THAN_____________?$ |
| A. | Water |
| B. | 0<sup>o</sup>C |
| C. | 50<sup>o</sup>C |
| D. | 100<sup>o</sup>C |
| Answer» B. 0<sup>o</sup>C | |