Corrosion Protection Methods
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Questions and Answers

What is the main concern with antimicrobials in coatings?

  • They are expensive
  • They can dissolve into the environment (correct)
  • They are only effective in certain environments
  • They are difficult to apply

What is the purpose of a sacrificial anode in cathodic protection?

  • To corrode easily and protect the metal (correct)
  • To protect stone and concrete
  • To form a protective layer
  • To bind stone particles together

What is the effect of consolidants, like epoxy resins, on stone and concrete?

  • They remove corrosive substances
  • They bind stone particles together and clog pores (correct)
  • They inhibit the growth of corrosion-causing microbes
  • They form a protective layer

What is the mechanism of metal corrosion inhibition by non-damaging microbes?

<p>All of the above (D)</p> Signup and view all the answers

What is the role of microbes in metal corrosion protection?

<p>They protect metals against corrosion through various mechanisms (D)</p> Signup and view all the answers

What is the limitation of cathodic protection method?

<p>It is expensive and only works in certain environments (D)</p> Signup and view all the answers

What was observed in 1991 by Pedersen and Hermansson?

<p>Inhibition of steel corrosion by two marine isolates (A)</p> Signup and view all the answers

What was the conclusion drawn about corrosion protection in 1991?

<p>It was a result of metabolic activity (A)</p> Signup and view all the answers

What type of biofilms were shown to inhibit corrosion more?

<p>Aerobically grown biofilms (C)</p> Signup and view all the answers

What is the common name of Spirulina platensis?

<p>Arthrospira (A)</p> Signup and view all the answers

What was the role of oxygen removal in MICI?

<p>It had a significant role (B)</p> Signup and view all the answers

What was tested in different environments to study MICI?

<p>Different materials and different bacterial species (C)</p> Signup and view all the answers

What is a limitation of corrosion science?

<p>It lags behind in using the molecular toolkit to its full extent (D)</p> Signup and view all the answers

What is required to obtain a better understanding of electrochemically active biofilms?

<p>Interdisciplinary collaborations (B)</p> Signup and view all the answers

Who critically read the manuscript?

<p>Noriko Cassman (A)</p> Signup and view all the answers

What is the name of the programme under which the BioCoPro project is funded?

<p>BioGeoCivil (C)</p> Signup and view all the answers

What is the publication number of NIOO-KNAW?

<p>5652 (D)</p> Signup and view all the answers

Which organization partly funds the STW?

<p>Ministry of Economic Affairs (B)</p> Signup and view all the answers

What is the purpose of the biomineralized cement being compatible with the substrate?

<p>To ensure the consolidation of stone statues and buildings (C)</p> Signup and view all the answers

What is an advantage of using Myxococcus xanthus for stone consolidation?

<p>Its motility increases the potential protected surface (D)</p> Signup and view all the answers

What is the result of adding Myxococcus xanthus to stone?

<p>It induces the growth of other carbonatogenic microorganisms (B)</p> Signup and view all the answers

What are the two types of stone consolidation treatments based on biomineralization?

<p>Inoculation of a carbonatogenic bacterial culture and application of culture media (C)</p> Signup and view all the answers

What is the advantage of using the in situ bacterial community for bioconsolidation?

<p>It enlarges the chances of successful bioconsolidation (C)</p> Signup and view all the answers

Which of the following bacteria has been tested for the consolidation of stone statues and buildings?

<p>Myxococcus sp. and Bacillus sp. (A)</p> Signup and view all the answers

What is the title of the 2001 study that dealt with the repair of damaged vivianite coatings on mild steel using bacteria?

<p>Repair of damaged vivianite coatings on mild steel using bacteria (D)</p> Signup and view all the answers

Which of the following bacteria was used to study the impact of biofilms on corrosion behaviour of carbon steel in a marine environment?

<p>Desulfovibrio alaskensis (C)</p> Signup and view all the answers

What is the primary focus of the 2009 study by Zamarreño and colleagues?

<p>Carbonate crystals precipitated by freshwater bacteria (B)</p> Signup and view all the answers

Which of the following researchers published a study on the microbial geochemical calcium cycle in 2002?

<p>Zavarzin GA (C)</p> Signup and view all the answers

What is the primary focus of the 2004 study by Zuo and Wood?

<p>Inhibiting mild steel corrosion from sulfate-reducing and iron-oxidizing bacteria (A)</p> Signup and view all the answers

Which of the following journals published a study by Zuo in 2007?

<p>Applied Microbiology and Biotechnology (D)</p> Signup and view all the answers

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