Font size
WorksheetsThinking Green
Total questions: 10
Worksheet time: 8mins
Name the new technique for desalination in which the system uses a polymer membrane that blocks water but lets water vapor pass through . One side of the membrane is covered by a layer of low-cost carbon black nanoparticles that absorb sunlight and heat up.
(a)
The “miracle material” that can convert CO2 into liquid fuel is?
Copper
Propene
Graphene
Potassium
Name the Materials that are networks of organic chemical ‘struts’ with metal nodes known to pull things like water and gases from air and which has large surface area and chemical tunability which make them a promising material to remove heavy metals selectively from water
(a)
Consider the following statements regarding Green Diesel
1. It is produced from molasses of sugarcane.
2. It is a true hydrocarbon just like diesel.
3. It is chemically similar to biodiesel.
Which of the statement(s) is/are correct?
1,2 and 3
1 only
2 only
1 and 3
What does DfE stand for in terms of sustainability in engineering?
(a)
Which of the following is NOT a valid reason why sustainability should be a major concern in the construction and engineering fields?
Engineers are high in number
Construction and engineering are responsible for a lot of the waste materials we see in the world.
Emissions from machinery, vehicles and related hardware can be harmful to the environment.
None of these
Which of the following is one of the six key sustainability principles every engineer should keep in mind?
Use resources effectively
eliminate excess waste
take advantage of renewable resources
all of these
Where was sustainable development explained for the first time?
World Development Report
Brundtland Commission Report
First Earth Summit Report
commission report
In a process of manufacturing in the chemical industry, when can recycling be employed?
When the byproduct is commercially important
When the byproduct at a time is the same as a reactant
When the byproduct is poisonous to the equipment and streams
None of these
Carbon footprint can be measured by?
Carbon dating
Instruments
Carbon accounting
None of these
