A.Air
B.Fuel oil
C.Water
D.Ethylene glycol and water
Related Mcqs:
- Which of the following statements about using water as a heat-exchange fluid in flat-plate collectors is not true?
- 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.
- A severe disadvantage of using a mixture of ethylene glycol and water as the heat-exchange fluid for a flat-plate collector is that
- 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
- The radiative heat loss between the top cover of flat-plate solar collector at a temperature of Tp(K) and ambient air at a temperature of Ta(K) is proportional to
- Which of the following is not a good way to improve the performance of a flat-plate solar collector?
- What is the serious problem with using a thin plastic sheet as the glazing material in a flat-plate solar collector?
- Which of the following passes through a maximum with increase in the number of covers (glazings) used in a flat-plate solar collector?
- Which of the following is not a good way to provide freeze protection for a flat-plate collector system?
- 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.
