A.0%
B.4%
C.8%
D.20%
Related Mcqs:
- The percent transmission of incoming solar radiation through the top cover plate of flat-plate collectors is typically
- 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
- 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.
- 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
- The total solar radiation incident on a body is 1000 kcal/min. The body reflects 400 kcal/min. If the transmissivity of the surface will be
- 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 Boundary layer on a flat plate is calld laminar boundary layer if
- A blockbody absorbs all of the incident radiation. It also
- If a body reflects entire radiation incident on it, then it is known as
- The largest amont of reflection of the solar radiant energy which is reflected back into space before reaching the earth’s surface is due to:
