MRWE 001 Solved Assignment 2024-25
Nano Technology in Energy & Environment
MRWE 001 Solved
Assignment 2024-25 : All assignments are in PDF format which would be send
on email/WhatsApp (9958676204) just after payment.
Assignment Code: ASST/ MRWE 001 /2024-25
Marks: 100
Attempt all the questions:
Q.1 a) Define
Nano-Technology. Explain the basic concepts of Nano-Technology.
Nanotechnology
is the manipulation of matter on an atomic, molecular, and supramolecular
scale, typically ranging from 1 to 100 nanometers. To put that into perspective,
a nanometer is one-billionth of a meter, which means nanotechnology deals with
materials and structures at incredibly small scales.
Bottom-up
approach: Nanotechnology often involves building materials and devices from the
bottom up, by manipulating individual atoms and molecules to create desired
structures. This is in contrast to the traditional top-down approach of
machining or etching materials to create structures.
Quantum effects:
At the nanoscale, quantum effects become significant, and materials may exhibit
different properties than their bulk counterparts. For instance, materials may
have altered electrical, optical, magnetic, or mechanical properties at the
nanoscale due to quantum confinement effects.
Applications
across disciplines: Nanotechnology has applications across various fields,
including electronics, medicine, materials science, energy production, and
environmental science. For example, in electronics, nanotechnology enables the
development of smaller, faster, and more efficient electronic devices. In
medicine, it allows for targeted drug delivery and imaging at the cellular or
molecular level.
Interdisciplinary
nature: Nanotechnology is inherently interdisciplinary, drawing knowledge and
techniques from physics, chemistry, biology, engineering, and other fields.
Collaboration between scientists and engineers from different disciplines is
often necessary for breakthroughs in nanotechnology.
Potential risks
and benefits: Nanotechnology holds great promise for addressing societal
challenges and improving various technologies. However, there are also concerns
about the potential risks associated with the release of nanoparticles into the
environment and their effects on human health. Therefore, research into the
safety and ethical implications of nanotechnology is essential.
Overall,
nanotechnology offers immense potential for advancing science, technology, and
medicine, but it also requires careful consideration of its societal and
ethical implications.
b) Describe Nano Size
and Nano Seale with suitable examples.
Q.2 a) What are
techniques used in Nano Technology? Explain any one.
b) What is synthesis
of Nano Materials? Also describe the various properties of Nano Materials.
Q.3 a) Discuss
top-down and bottom-up approach with suitable sketch and list out the various
methods of top-down and bottom-up approach.
b) What is Nano bot?
List out the various applications of Nano bot.
Q.4 a) Explain the
working of Scanning Electron Microscopy (SEM) with suitable diagram. List outs
its advantages and applications.
b) Difference between
SEM and TEM.
Q.5 a) How do you
apply or use Nano Technology into energy sector? Explain inbrief.
b) What is Energy
Conversion Process? Explain single stage and multistage energy conversion
process.
Q.6 a) Explain briefly
how Nano-Technology could be applied in Solar Energy.
b) What do you
understand about Micro Electro Mechanical Systems (MEMS) and Nano Electro
Mechanical Systems (NEMS)? Explain and list out its application.
Q.7 a) Explain the
working of Hydrogen Storage System with suitable diagram.
b) How Green Nano Technology
could be developed? Explain with steps by step procedure.
Q.8 a) Explain
Nano-Micro Silicon (Si) composite structure and what are the various
technologies used in silicon (Si) deposition.
b) How do you monitor
the various environmental factors by using sensors?
Q.9 a) How do you
prevent the pollution by using Nano Technology? Explain with suitable examples.
b) Discuss the various
applications of Nano Technology in Environment.
Q.10 Write short notes of the following:
a) Carbon Nano Tubes
b) Green Nano Material
c) Pollution Abatement
d) Nano Sensor
MRWE 001 Solved
Assignment 2024-25 : All assignments are in PDF format which would be send
on email/WhatsApp (9958676204) just after payment.
MRWE 001 Solved
Assignment 2024-25, MRWE 001 Solved Assignment 2024-25, MRWE 001 Solved Assignment
2024-25, MRWE 001 Assignment, IGNOU
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