Daily Latest English Comprehension Test Paper 3

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04 Jan, 2016

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Reading Comprehension

Worksheets on Current Topics for Banking English Test Papers.

Nirdeshak is developing tailor made comprehension section from the recent news articles published in leading newpapers across the world. It is important to recognizing letters and words in the passage, as it is the first step in learning to read. For students it is vital that students comprehend, or understand, what they are reading. They must be able to get the meaning of the text: What is the author telling the reader?

 

New Catalyst paves way for bio-based plastics[1]

 

Washington State University researchers have developed a catalyst that easily converts bio-based ethanol to a widely used industrial chemical, paving the way for more environmentally friendly, bio-based plastics and products.

The researchers have published a paper online describing the catalyst in the Journal of the American Chemical Society and have been granted a U.S. patent.

The chemical industry is interested in moving away from fossil fuels to bio-based products to reduce environmental impacts and to meet new regulations for sustainability, said Yong Wang, Voiland Distinguished Professor in the Gene and Linda Voiland School of Chemical Engineering and Bioengineering.

The catalyst works on bio-based ethanol to create isobutene used in plastics and other products.

The industry has traditionally made a widely used chemical called isobutene – used in everything from plastic soda bottles to rubber tires – by superheating crude oil. But in collaboration with the Archer Daniels Midland (ADM) Company, Wang and his colleagues developed a catalyst to convert bio-based ethanol, which is made from corn or other biomass, to isobutene in one easy production step.

The researchers examined the costs and lifetime of their catalyst to determine its practicality for the marketplace and determined that it could be used for other closely related feedstocks. They also discovered just how their catalyst works, knowledge that could be used to design more efficient catalysts for a wide range of applications.

Q1. Catalyst

  1. A substance that changes both the physical and chemical properties of an object
  2. A substance that reacts chemically with another substance to produce a new substance
  3. A substance that causes or accelerates a chemical reaction without itself being affected
  4. A substance that is combustible

Q2. Bio-based products

  1. A product of food or feed that is composed, in whole or in significant part, of biological products or renewable domestic agricultural materials or forestry materials
  2. A product other than food or feed that is composed, in whole or in significant part, of biological products or renewable domestic agricultural materials or forestry materials
  3. Products made from biological reactions
  4. Products made from non-biological reactions

Q3. Collaboration

  1. The process of working jointly with others
  2. The process of working independently
  3. The process of working with people in same company
  4. The process of working with people in another company

Q4. Feedstock

  1. Cattle used for mass production of milk
  2. Poultry
  3. Intermediate product of a manufacturing process
  4. Raw material used for manufacturing industry

 


 

Answers

  1. c)
  2. b)
  3. a)
  4. d)

[1] Source of this article: http://phys.org/news/2015-12-catalyst-paves-bio-based-plastics-chemicals.html

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