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Free download in PDF Solar Energy Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(1)
The angle made by the plane surface with the horizontal is known as
[A]
Latitude
[B]
Slope
[C]
Surface azimuth angle
[D]
Declination
(2)
Beam radiations are measured with
[A]
Anemometer
[B]
Pyrheliometer
[C]
Sunshine recorder
[D]
All of the above
(3)
Solar radiation flux is usually measured with the help of a
[A]
Anemometer
[B]
Pyranometer
[C]
Sunshine recorder
[D]
All of the above
(4)
The zenith angle is the angle made by the sun’s rays with the ____ to a ______ surface.
[A]
normal, horizontal
[B]
tangent, horizontal
[C]
normal, vertical
[D]
tangent, vertical
Answer: normal, horizontal
(5)
Global radiation =
[A]
Direct radiation – Diffuse Radiation
[B]
Direct radiation + Diffuse Radiation
[C]
Direct radiation / Diffuse Radiation
[D]
Diffuse Radiation / Direct radiation
Answer: Direct radiation + Diffuse Radiation
(6)
Absorption of Solar radiations at earth’s surface occur due to presence of
[A]
Ozone
[B]
Water vapours
[C]
Carbon di-oxide
[D]
All of the above
(7)
The following is (are) laws of black body radiation.
[A]
Plank’s law
[B]
Stefan-Boltzmann law
[C]
both (A) and (B)
[D]
None of the above
(8)
The extraterrestrial radiation flux varies by ____ % over a year.
[A]
± 1.1
[B]
± 2.2
[C]
± 3.3
[D]
± 4.4
(9)
The value of Solar Constant is
[A]
1347 W/m2
[B]
1357 W/m2
[C]
1367 W/m2
[D]
1377 W/m2
(10)
The sun subtends an angle of _____ minutes at the earth’s surface.
[A]
22
[B]
32
[C]
42
[D]
52
(11)
In the paraboloid dish concept, the concentrator tracks the sun by rotating about
[A]
One axes
[B]
Two axes
[C]
Three axes
[D]
None of the above
(12)
Which of the following type of collector is used for low temperature systems?
[A]
Flat plate collector
[B]
Line focussing parabolic collector
[C]
Paraboloid dish collector
[D]
All of the above
Answer: Flat plate collector
(13)
The following type of energy is stored as latent heat
[A]
Thermal energy
[B]
Chemical energy
[C]
Electrical energy
[D]
Mechanical energy
(14)
Maximum efficiency is obtained in
[A]
Flat plate collector
[B]
Evacuated tube collector
[C]
Line focussing collector
[D]
Paraboloid dish collector
Answer: Paraboloid dish collector
(15)
The efficiency of various types of collectors ______ with _______ temperature.
[A]
increases, decreasing
[B]
decreases, increasing
[C]
remains same, increasing
[D]
depends upon type of collector
Answer: decreases, increasing
(16)
The collection efficiency of Flat plate collector can be improved by
[A]
putting a selective coating on the plate
[B]
evacuating the space above the absorber plate
[C]
both (A) and (B)
[D]
None of the above
Answer: evacuating the space above the absorber plate
(17)
A liquid flat plate collector is usually held tilted in a fixed position, facing _____ if located in the northern hemisphere.
[A]
North
[B]
South
[C]
East
[D]
West
(18)
The following is indirect method of Solar energy utilization
[A]
Wind energy
[B]
Biomass energy
[C]
Wave energy
[D]
All of the above
(19)
The power from the sun intercepted by the earth is approximately
[A]
1.8 x 108 MW
[B]
1.8 x 1011 MW
[C]
1.8 x 1014 MW
[D]
1.8 x 1017 MW
(20)
Direct Solar energy is used for
[A]
Water heating
[B]
Distillation
[C]
Drying
[D]
All of the above
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