| 51. |
Surface azimuth angle varies from
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Answer:
Option (b) |
| 52. |
The angle made in the horizontal plane between the horizontal line due south and the projection of the normal to the surface on the horizontal plane is
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Answer:
Option (a) |
| 53. |
The hour angle is equivalent to
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Answer:
Option (d) |
| 54. |
The correction has a magnitude of ___ minutes for every degree difference in longitude.
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Answer:
Option (a) |
| 55. |
The sun subtends an angle of _____ minutes at the earth’s surface.
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Answer:
Option (b) |
| 56. |
The zenith angle is the angle made by the sun’s rays with the ____ to a ______ surface.
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Answer:
Option (c) |
| 57. |
To how many types are flat plate collectors divided depending on the type of heat transfer fluid?
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Answer:
Option (b) |
| 58. |
The function of a solar collector is of converting solar energy into
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Answer:
Option (b) |
| 59. |
Liquid heating collectors are mainly used for _________
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Answer:
Option (c) |
| 60. |
_______ is glazing which limits the radiation and convection heat losses.
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Answer:
Option (b) |