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NPTEL Non-conventional energy Resources Assignment 4 Answers 2022

 NPTEL Non-conventional energy Resources Assignment 4 Answers 2022:-All the Answers Provided here to help the students just as a reference. we request you to mark your assignment on your own.

NPTEL Non-conventional energy Resources Assignment 4 Answers 2022

Q1. Wavelength of the most intense part of the spectrum associated with a black body ______ with increase of temperature

Answer:- b

Q2. _ constant has helped in understanding the lower wavelength region of spectral irradiance versus temperature plot at

Answer:- c

Q3. Particle of light is known as ______ and it can only possess energies hv, _____ , nhv

Answer:- a

Q4. The full solar energy spectrum is consistent with the  __________ and  the visible region of this lies between ___________.

Answer:- d

Q5. Flat plate collector to harness solar energy requires _____conducting sheet made of _____ material.

Answer:- c

Q6. Metal sheet in solar energy collector is coated with black color to___________.

Answer:- c

Q7. Glass plate on a solar energy collector set-up _____.

(i) Keeps the visible radiation stuck between metal sheet and glass
(ii) Reduces convective losses.
(iii) Reduces IR radiative losses. 

Answer:- b

Q8. Statement: The ability to pick up heat is limited by the area of a flat plate collector exposed to the sun. It can be increased by
     replacing the tube by fins or a mesh.

Answer:- c

Q9. Parabolic dish reflectors are in the shape of a_______ mirror which uses the idea of concentrating solar energy at _____ focal point.
   These are made up of highly polished stainless steel or aluminium surfaces.

Answer:- b

Q10. A single focal point parabolic dish collector is said to be __________

Answer:- b

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NPTEL Non-conventional energy Resources Assignment 4 Answers 2022:-All the Answers are provided here to help the students just as a reference. we request you to mark your assignment on your own.

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