Worksheetsrenewable
Total questions: 42
Worksheet time: 21mins
Name
Class
Date
1.
1. What are the components of a wind power system?
a)
Electrical generator
b)
Sensors & control
c)
Shaft with mechanical gear
d)
All of the above
2.
2. Which one of the following is a stand-alone PV application?
a)
Solar water pumping
b)
Battery charging
c)
Both a and b
d)
None of the above
3.
3. Why are some energy sources called nonrenewable?
a)
Because they are unlimited.
b)
Because they can be used in transportation.
c)
Because they are economical attractive
d)
None of the previous
4.
4. What is hydrogen, and what is its role in a renewable energy system?
a)
It is gaseous matter existed in liquid state in nature
b)
It is the ammonia mixed with nitrogen
c)
It is gaseous matter that can be used as energy source and storage
d)
None of the above
5.
5. The impact of renewable energy use on the environment is:
a)
Negligible in all aspects.
b)
Quicker if projects implemented at low budget
c)
Highly Positive in the long run, environmentally and economically
d)
The same impact as that for the nonrenewable energies
6.
6. What is the origin of solar radiation?
a)
It is the energy of helium in the sun core
b)
It is the thermonuclear conversion of helium to hydrogen in the sun core
c)
It is the chemical organic reactions in the sun core
d)
It is the thermonuclear conversion of hydrogen to helium in the sun core
7.
7. The main components to harness solar thermal and electrical energy are:
a)
Turbines and engines
b)
Fly-wheels and solar collectors
c)
Positive displacement machines
d)
Solar collectors and solar panels
8.
8. What are the main components of solar thermal energy systems?
a)
Solar collector, Photovoltaic panels inverters, and batteries
b)
Solar heater, batteries, circulation pump, & controllers
c)
Solar heater, storage tank, circulation pump, & controllers
d)
Solar collector, circulation pump, inverters, and batteries
9.
9. What are the main components of solar electrical energy systems?
a)
Hydraulic turbines, charge controllers, & solar collectors.
b)
Solar heater, batteries, circulation pump, & controllers
c)
Photovoltaic panels, charge controller, inverters, & batteries, & fixing frame
d)
None of the previous
10.
10. What are the main components of concentrated solar power systems?
a)
Flat plate collectors, controller, circulation pump, & thermal storage tank
b)
Heliostat, receiver, cold and hot storage tanks, & heat fluid circulation pipes
c)
Dish reflector, Stirling engine, moving table, & compressor
d)
None of the above
11.
11. The liquid flat plate collector is a type of solar collector.
a)
Non-concentrating
b)
Focus type
c)
Non-focus type
d)
None of the above
12.
12. The modified flat plate collector is a type of solar collector.
a)
Non-concentrating
b)
Focus type
c)
Non-focus type
d)
None of the above
13.
13. The circular Fresnel lens cone is a type of solar collector.
a)
Non-concentrating
b)
Focus type
c)
Non-focus type
d)
Point focus
14.
14. What are the main methods used for renewable energy storage?
a)
Organic materials, metals, oils, water, & wood.
b)
Sensible heat, latent heat, electro-chemical, & hydrogen
c)
Solar storage, batteries, water tanks, concrete, & fiber glass
d)
None of the previous
15.
15. What are the main advantages of solar energy?
a)
Intensive, transportable, polluted, smooth, no storage needed, & lower cost
b)
Steady energy supply, extensive, dispatchable, & weather dependent
c)
Renewable, clean, low maintenance cost, remotely applicable, & independent
d)
None of the above
16.
16. What are the main disadvantages of solar energy?
a)
Not clean, easy to handle, dispatchable, storage not required, & cheap
b)
High initial cost, land use, storage required, & panels need regular cleaning
c)
Concrete storage needed; liquid heat transfer, & not practically applied
d)
None of the previous
17.
17. What is the mechanism of converting wind energy to electrical energy?
a)
The power from wind is depending on air velocity that rotates wind turbines.
b)
Wind energy is directly dependent on solar energy collection.
c)
Wind turbines depend on the area of the rotor only.
d)
None of the above
18.
18. The main types of wind turbines are:
a)
Thermal axes, flat plate, evacuated tube, & offshore wind turbines
b)
Offshore, Onshore, vertical axes, horizontal axes wind turbines.
c)
Central receiver tower, variable axes, Onshore, & Offshore
d)
None of the previous
19.
19. What are the common types of biofuel sources?
a)
Coal, asphalt, fishes, animal wool, fiber glass, & polystyrene
b)
Animal wastes, wood, crops, solid trash, organic wastes oil seeds, & algae
c)
Asphalt, concrete, limestones, ceramic, Glass wool, & cement.
d)
None of the above
20.
20. Name 5 biomass or biofuel energy conversion technologies.
a)
Filtration, separation, mixing, discharging & charging
b)
Lubrication, transformation, solidification, pressurization, & gasification.
c)
Combustion, Gasification, Pyrolysis. Anaerobic digestion, & Transesterification.
d)
None of the above
21.
21. Name 5 biomass or biofuel energy applications.
a)
Heating cooling, electricity production, transportation, & industrial processes
b)
Machine manufacturing, water pumping, transportation, & firefighting
c)
Waste elimination, power production, painting agriculture & engineering
d)
All of the above
22.
22. What are the characteristics of hydrogen?
a)
Solid material, liquid metal, very heavy, good conductor
b)
Colorless, odorless, highly flammable gas, & chemical element with 1 electron
c)
Good energy storage, good energy source, suitable for heating, & it is solid.
d)
None of the previous
23.
23. The fossil fuels are an example of:
a)
Renewable resources
b)
Non-renewable resources
c)
Both a and b
d)
None of the above
24.
24. Mention 4 known technologies for hydrogen production.
a)
Bio-photolysis with steam, Pyrolysis, liquification, & transformation
b)
Freezing, pasteurization, electrification, & compression ignition.
c)
Steam Methane Reforming (SMR), Electrolysis, & Bio Gasification, & Pyrolysis.
d)
None of the previous
25.
25. What are the advantages of renewable energy?
a)
High installation cost
b)
Weather dependency
c)
Noise caused by wind energy
d)
None of the above
26.
26. The thermal storage tank is an integral part of which solar thermal energy system?
a)
an optional part
b)
an optimal part
c)
an integrated part
d)
an original part
27.
27. What is the mechanism of converting wind energy to thermal energy?
a)
The power from wind is depending on air velocity and heat
b)
Wind energy is directly dependent on solar energy collection
c)
kinetic energy converted to electricity and then to heat via electric heaters
d)
none of the above
28.
28. The linear Fresnel solar collector is a type of solar collector.
a)
Non-concentrating
b)
flat type
c)
concentrated type
d)
none of the above
29.
29. What are the components of a solar energy system?
a)
Electrical generator
b)
Collectors & Sensors
c)
Shaft with mechanical gear
d)
none of the above
30.
30. What are the main categories used for renewable energy storage?
a)
Organic materials, metals, oils, water, & wood.
b)
Sensible heat, latent heat, electro-chemical, & hydrogen.
c)
Solar storage, batteries, water tanks, concrete, & fiber glass.
d)
none of the previous
31.
31. The fossil fuels are an example of:
a)
Renewable resources
b)
Clean energy resources
c)
Chemical energy resources
d)
None of the above
32.
32. What are the main disadvantages of solar energy?
a)
not Intensive, low transportable, storage needed, & high initial cost
b)
Steady energy supply, extensive, dispatchable, & not depend on weather
c)
not Intensive, low transportable, storage needed, & high initial cost
d)
None of the previous
33.
33. Which group represents point concentrated solar power systems?
a)
Flat plate collectors, controller, circulation pump, & thermal storage tank
b)
Dish reflector, Stirling engine, moving table, & compressor
c)
parabolic trough collectors cold and hot storage tanks & circulation pipes
d)
None of the above
34.
34. What are the main advantages of solar energy?
a)
Not clean, easy to handle, dispatchable, storage not required, & cheap
b)
High initial cost, land use, storage required, & panels need regular cleaning
c)
Concrete storage needed; liquid heat transfer, & not practically applied
d)
None of the previous
35.
35. The solar central receiver tower is a type of solar collector.
a)
Non-concentrating
b)
Focus type
c)
Non-focus type
d)
None of the above
36.
36. What are the characteristics of hydrogen?
a)
Solid material, liquid metal, very heavy, good conductor
b)
Colorless, odorless, highly flammable gas, & chemical element with 1 electron
c)
Good energy storage, good energy source, suitable for heating, & it is solid.
d)
none of the previous
37.
37. Which one of the following is not a stand-alone PV application?
a)
Solar water pumping
b)
Car Battery charging
c)
Both a and b
d)
Thermal energy storage
38.
38. What are the major components of wind energy systems?
a)
Roter blades, Roter hub, Brakes, Gear box, and Tower.
b)
Solar heater, batteries, circulation pump, & controllers
c)
Photovoltaic panels, charge controller, inverters, & batteries, & fixing frame
d)
None of the previous
39.
39. The main components to harness solar photo-electric energy are:
a)
Turbines and engines, connected collectors.
b)
Solar panels, charge controllers, inverters and batteries
c)
Blowers and pumps
d)
Fly-wheels and solar collectors
40.
40. Which group is not the main components of solar thermal energy systems?
a)
photovoltaic panels inverters and batteries
b)
solar heater batteries circulation pump & controllers
c)
solar heater storage tank circulation pump & controllers
d)
solar collector circulation pump pressure relief valve
41.
41. The impact of renewable energy use on the environment is:
a)
Not Negligible in all aspects.
b)
Quicker if projects implemented at low budget
c)
Not that positive in the long run
d)
Not quickly noticeable in the short run
42.
42. What is hydrogen, and what is its role in a renewable energy system?
a)
It is gaseous matter existed in liquid state in special cold pressurized tanks
b)
It is gas that can be generated from the ammonia
c)
It is gaseous matter that can be used as energy source and storage
d)
All of the above
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