Corrosion Engineering MCQ Mechanical Engineering

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About Corrosion Engineering

Following are some of the multiple choice questions on the Corrosion Engineering with answers that will help the students in developing their knowledge.

Corrosion Engineering MCQ

1. What is the corrosion of iron called?

  • Rusting
  • Swelling
  • Blackening
  • melting

2. Select the ferrous alloys

  • mild steel
  • cast iron
  • aluminium
  • Both A & B

3. Which two properties are for lead

  • corrosion resistant
  • soft
  • easily rusts
  • Both A & B

4. What applications are stainless steel used for

  • Kitchen equipment
  • Cutlery
  • Ladders
  • Both A & B

5. Which of these are electrical conductors

  • brass
  • sea water
  • copper
  • All of above

6. Which definition best fits cast iron

  • very strong, if compressed it's brittle and not malleable
  • lightweight, corrosion resistant and ductile
  • malleable, corrosion resistant and soft
  • None of these

7. Which definition best fits solder

  • very strong, brittle and not malleable
  • rusts easily, not easy to work with and inexpensive
  • malleable, corrosion resistant and soft
  • None of these

8. Ferrous metals contain iron so most of them are .......

  • corrosion resistant
  • magnetic
  • lightweight
  • All of above

9. Whats the definition of an alloy?

  • is a combination of two metals
  • is a combination of metals and another element
  • is a combination of two non metals
  • All of above

10. Non-ferrous metals mean that it ......

  • contains iron
  • doesn't contain iron

11. Select the non-ferrous metals

  • brass
  • copper
  • solder
  • All of above

12. What term is used to describe a polymer that has a rubber like properties?

  • Elastomer
  • Plastics
  • Copolymers
  • Polymers

13. Galvanized steel are steel product coated with

  • Zinc
  • Iron
  • Silicon
  • Boron

14. What refers to a shape achieved by allowing a liquid to solidify in a mold?

  • Casting
  • Scalding
  • Scolding
  • Fading

15. Conductivity in the ionic current path or the electronic current path can affect the corrosion rate.

  • true
  • false

16. Most organic coatings on metallic surfaces serve to inhibit the formation of an electronic path

  • True
  • false

17. If the same amount of electrical charge, Q, is passed through several electrodes, the masses of the substances reacting at the electrodes are in direct ratio to their molar masses

  • True
  • false

18. What refers to a metal combined with one or more other elements?

  • Metal
  • Alloy
  • Metaloy
  • Gas

19. Corrosion current density is the measure of most practical significance and Interest in design

  • true
  • false

20. The use of oxygen scavengers in the feed water to boiler affects the anodic reaction rate

  • True
  • false

21. If an electrochemical cell produces energy it is known as a --------cell, such as ---------

  • Electrolytic, water electrolysis
  • Galvanic, electroplating
  • Galvanic, Daniell cell
  • Electrolytic, battery

22. What is the primary cathodic reaction of corrosion in neutral or alkaline conditions?

  • Hydrogen evolution
  • Oxygen evolution
  • Oxygen reduction
  • Metal oxidation

23. Which of the following is one of the major costs associated with corrosion?

  • Maintenance costs
  • replacement measures
  • Product loss due to leakage of a natural gas pipeline due to corrosion
  • All of the above

24. Corrosion is the extractive metallurgy in reverse

  • true
  • false

25. What is the basic principles of OSH

  • Promotion
  • Information
  • Workers right
  • All of the above

26. What is the roles of IR

  • Analysis design for environmental sustainability
  • Design the project
  • Turns the plans design into reality
  • All of above

27. What is graduated engineer do in training route

  • 3 years work experience
  • Log book form
  • Course attendance
  • All of the above

28. How many method in estimating

  • 3
  • 4
  • 5
  • 6

29. How many stage in estimating

  • 1
  • 2
  • 3
  • 4

30. Which are the following that required to maintain the entirety of life on earth?

  • Economic
  • Environmental
  • Social
  • All of the above

31. What is the sustainability principles?

  • Wise use of natural resources
  • Meet human needs fairly and efficiently
  • Eco-design
  • Both A & B

32. Which is the truth about wrought iron

  • Low tensile strength
  • Bad resistance of corrosion
  • High ductility
  • All of the above

33. What is an example of engineering?

  • Making soap
  • Designing a car
  • Designing a landfill
  • All of the above

34. Select examples of properties of materials.

  • Ductile
  • Malleable
  • Blue
  • Both A & B

35. One key feature of extruded products are a

  • Ejector pin marks
  • Sprue
  • Continuous cross section
  • Flash

36. The top part of the sand casting mould is called a

  • Cope
  • drag.
  • Both A & B
  • None of these

37. Tick all the correct statements that apply

  • Die casting is faster than sand casting.
  • Die casting is more accurate than sand casting..
  • Die casting is a lower volume process to sand casting.
  • Both A & B

38. Pick the ferrous metal.

  • Aluminium
  • Copper
  • Steel
  • Gold

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