A.80%
B.94%
C.99%
D.85%
Related Mcqs:
- The efficiency of a flat-plate solar collector using water as a heat-exchange fluid is largest at which of the following temperature for the absorber plate? Assume Ta = 25?C.
- The percent transmission of incoming solar radiation through the top cover plate of flat-plate collectors is typically
- Compare the heat loss between the absorber plate of flat-plate collector and the cover with that between the cover and the ambient air at steady state.
- If the wind is blowing with a 10 kilometer per hour the dominant heat loss mechanism(s) between the top cover plate of flat-plate solar collector and the ambient air is / are
- An advantage of using copper for the absorber plate is that
- Which of the following is usually not used as the heat exchange fluid in a flat-plate solar collector?
- Which of the following is not a good way to improve the performance of a flat-plate solar collector?
- Which of the following is not a good way to provide freeze protection for a flat-plate collector system?
- Suppose that the transmissivity is zero for a very thick piece of material. If the material is perfectly black where ? = absorptivity and ? = reflectivity
- Which of the following statements about using water as a heat-exchange fluid in flat-plate collectors is not true?
