Corrosion Protection Methods

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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?

All of the above (D) Signup and view all the answers

What is the role of microbes in metal corrosion protection?

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

What is the limitation of cathodic protection method?

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

What was observed in 1991 by Pedersen and Hermansson?

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

What was the conclusion drawn about corrosion protection in 1991?

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

What type of biofilms were shown to inhibit corrosion more?

Aerobically grown biofilms (C) Signup and view all the answers

What is the common name of Spirulina platensis?

Arthrospira (A) Signup and view all the answers

What was the role of oxygen removal in MICI?

It had a significant role (B) Signup and view all the answers

What was tested in different environments to study MICI?

Different materials and different bacterial species (C) Signup and view all the answers

What is a limitation of corrosion science?

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

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

Interdisciplinary collaborations (B) Signup and view all the answers

Who critically read the manuscript?

Noriko Cassman (A) Signup and view all the answers

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

BioGeoCivil (C) Signup and view all the answers

What is the publication number of NIOO-KNAW?

5652 (D) Signup and view all the answers

Which organization partly funds the STW?

Ministry of Economic Affairs (B) Signup and view all the answers

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

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

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

Its motility increases the potential protected surface (D) Signup and view all the answers

What is the result of adding Myxococcus xanthus to stone?

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

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

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

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

It enlarges the chances of successful bioconsolidation (C) Signup and view all the answers

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

Myxococcus sp. and Bacillus sp. (A) 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?

Repair of damaged vivianite coatings on mild steel using bacteria (D) 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?

Desulfovibrio alaskensis (C) Signup and view all the answers

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

Carbonate crystals precipitated by freshwater bacteria (B) Signup and view all the answers

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

Zavarzin GA (C) Signup and view all the answers

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

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

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

Applied Microbiology and Biotechnology (D) Signup and view all the answers