A Warm WinterA Warm Winter

Q & A: HELP WITH ENERGY AND POWER?

Question by : HELP WITH ENERGY AND POWER?
1. The energy we get from the sun is considered to be a ________ resource.
A.Inexhaustible
B.Renewable
C.Nonrenewable
D.Recyclable

2. An insolation meter is used to measure solar energy available in what unit?
A. Watts
B. Lumens
C. Btu/ft2/hr
D. Foot-candles

3. Which solar energy collection system requires an external power source to function properly?
A.Active
B.Passive
C.Constant
D.Collector

4. What is the use of natural means to collect and distribute heat without pumps or circulating fans known as?
A.Photovoltaics
B.Active solar collection
C.Passive solar collection
D.Hydroponics

5. Which loop solar collection system uses domestic hot water that feeds directly through the collector?
A.Open loop system
B.Closed loop system
C.Passive loop system
D.Active loop system

6. Which loop solar collection system uses a collective medium to collect the heat and transfer it to water or air for end use?
A.Open loop system
B.Closed loop system
C.Passive loop system
D.Active loop system

7. Which type of solar energy collector of those listed is best suited to collect heat for residential use?
A. A point-focusing collector
B. A flat-plate collector
C. A photovoltaic cell array
D. Individual photovoltaic cells

8. The _____ in a flat-plate collector is responsible for converting visible light energy into infrared energy:
A. glass covering
B. water tubes
C. absorber plate
D. transfer medium (liquid or gas)

9. Flat-plate collectors trap heat based on which of the following principles?
A.Shorter light waves get longer when converted to heat.
B.Longer light waves get shorter when converted to heat.
C.Heat can be converted to light.
D.Wavelengths stay the same when light is converted to heat.

10. Which type of active solar energy collector is stationary and does NOT need to track the sun?
A. Flat-plate collector
B. Linear concentrating parabolic collector
C. Compound parabolic collector
D. Azimuth path collector

11. Which of the following is a passive solar collection technique?
A. Direct gain
B. Indirect gain
C. Isolated gain
D. All of the above

12. A Trombe wall is used in solar technology to do what?
A. Only collect heat
B. Only store heat
C. Collect and store heat
D. Collect, store, and distribute heat

13. Eutectic salts can be used to do which of the following?
A.Track solar energy
B.Measure solar energy
C.Produce electricity
D.Store heat

14. The ___________ is a term used to describe the direct conversion of sunlight to electricity.
A.Photographic induction
B.Piezoelectric effect
C.Photosynthesis
D.Photoelectric effect

15. Solar energy is used for:
A. Structural heating
B. Structural cooling
C. Generation of large-scale electricity
D. All of the above

16. A passive solar home typically makes use of which method of heat movement to circulate air throughout the home?
A.Convection
B.Conduction
C.Radiation
D.Infiltration

17. What refers to the altitude of the sun in the sky?
A. Azimuth path
B. Zenith path
C. Linear-concentrating angle
D. All of the above

18. A measure of the resistivity to heat flow that is used to compare the heat loss allowed by various types of insulation and other construction materials is known as ________________.
A.R-Value
B.Insulation comparison
C.Heat change
D.Thermal value

19. A freezing unit used in solar heating is known as __________________.
A. Condensing unit
B. Coolant collector
C. Freezer distribution unit
D. Evaporator

20. A semiconductive material that emits free electrons when exposed to light is known as ______________.
A.batteriesC. a capacitor
B.a photovoltaic cellD. a thermal transistor

Best answer:

Answer by Net.Guru
when you get an A, will you pay me?

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