Solar Collectors and Instruments - MCQs with answers

Solar Collectors and Instruments - MCQs with answers

Q1. A pyrometer is used for the measurements of

a. Diffuse radiations only.
b. Direct radiations only.
c. Both direct and diffused radiations.
d. None of the above.

View Answer / Hide Answer

Q2. Reflector mirrors used for exploiting the solar energy are called

a. Mantle.
b. Heliostats.
c. Diffusers.
d. Ponds.

View Answer / Hide Answer

Q3. The function of a solar collector is of converting solar energy into

a. Radiations
b. Electrical energy directions.
c. Thermal energy.
d. All of these.

View Answer / Hide Answer

Q4. What are pyrheliometers?

a. Instruments measures beam radiations
b. Diffuse radiations.
c. Direct radiations only.
d. None of the above.

View Answer / Hide Answer

Q5. Temperature attained by cylindrical parabolic collector is of the order of

a. 50 – 100 °C
b. 100 – 150 °C
c. 150 – 200 °C
d. 200 – 300 °C

View Answer / Hide Answer

Q6. In a solar collector, why is the transparent cover provide for?

a. Protect the collector from dust.
b. Reduce the heat losses from collector beneath to atmosphere.
c. Transmit solar radiation only
d. All of the above.

View Answer / Hide Answer