The National Programme on Technology Enhanced Learning (NPTEL) was initiated by seven Indian Institutes of Technology (Bombay, Delhi, Kanpur, Kharagpur, Madras, Guwahati, and Roorkee) also the Indian Institute of Science, Bangalore in 2003. It consists of five core disciplines that were identified, namely, civil engineering, computer science and engineering, electrical engineering, electronics and communication engineering, and mechanical engineering, and 235 courses in web/video format were developed in this phase.
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The main goal of NPTEL Phase II (2009-14) was to build on the engineering and core science courses launched previously in NPTEL Phase I. so 600 web and video courses were created in all major branches of engineering, physical sciences at the undergraduate and postgraduate levels and management courses at the postgraduate level. Several improvements such as indexing of all video and web courses and keyword searches were implemented.
Source- https://nptel.ac.in/
This course looks at the operating principle of a range of non-conventional energy resources, materials used, characterization, and key performance characteristics. The technologies looked at will include, Solar energy, Wind, Batteries, Fuel cells, and Geothermal conversion. The advantages and limitations of these technologies in comparison to conventional sources of energy will also be examined.
Nptel mainly consists of 12-week courses. Every week NPTEL provides video lectures as well as different study materials. Every week one quiz is provided. Each quiz has a specific time deadline. After the end of time, deadline NPTEL provides a solution to that quiz as well as provides marks obtained by the registered candidate. Out of 12 assignments, the top 8 assignment marks are considered. The weightage of assignment marks is 40 %.
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1) The solar spectrum ranges from Violet to Red..
Answer: TRUE
2) A blackbody absorbs radiation incident on it..
Answer: TRUE
3) As the temperature of a body increases, the intensity of the radiation coming from the body increases.
Answer: TRUE
4) As the temperature of a body increases, the wavelength at which the maximum intensity occurs, increases.
Answer: FALSE
5) Humans and animals give out Infrared radiation.
Answer: TRUE
6) A flat plate collector typically does not need to track the sun across seasons since it is flat.
Answer: FALSE
7) A glass plate is used on top of the flat plate collector in order to prevent IR radiation from coming in..
Answer: TRUE
8) In order to heat air it is important to increase the area of contact between the air and the surface gathering the heat..
Answer: TRUE
9) Solar concentrators can help raise the temperature of water above 100 oC.
Answer: TRUE
10) A parabolic dish concentrator typically does not need tracking because it is curved in all directions..
Answer: FALSE
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Note- This is not an official answer provided by NPTEL. There may be some wrong answers. So Please submit your answer according to the use of your presence of mind.
Disclaimer – This website is designed to help the student community. This article is also designed to help the student community. All questions are NPTEL property.
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