BASIC QUESTION BANK ASNT LEVEL III

BASIC QB 3 1. Which of the following is classified as a non-ferrous light alloy? a.Beryllium base b.Zinc base c.Tin base d.Copper base 2. Of the following, which is considered the most important structural nonferrous metal? a.Copper b.Zinc c.Tin d.Aluminium 3. Aluminium cannot be used in most areas where vibrations combine with high stress. There are special care has to be taken to remove all stress raisers. Which below is considered a stress rasier? a.A notch b.A scratch c.A sudden change of section d.A notch and a scratch e.All of the above 4. When applying the term annealed to pure aluminium it is interpreted to mean? a.Work hardenning b.Re-crsytalisation c.Stress releasing d.Normalising 5. Which NDT method can be used to give general sorting of aluminium alloys? a.UT b.MT c.RT d.ET 6. Which metal is most used in electrical work, wiring, etc? a.Copper b.Brass c.Aluminium d.Steel

7. It is generally understood that the principal alloying elements of brass

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are? a.Copper and tin b.Copper and zinc c.Bronze and tin d.Tin and zinc 8. Which two NDT methods are usually used to inspect Magnesium components? a.Radiography and penetrant b.Radiography and magnetic particle c.Ultrasonic and magnetic particle d.Ultrasonic and penetrant 9. Wrought zinc and its alloys have very little NDT inspection on them, when a material is plated with zinc it is known as? a.Anodizing b.Wrapping c.Galvanising d.Flashing 10. Thermoplasting can be? a.Melted down and re-used without loss of properties b.Softened by heat c.Will char when heated d.Melted down and re-used without loss of properties and softened by heat 11. Thermosetting plastics are? a.Rigid b.Deteriorated by heat c.Charred by heat d.All of the above 12. Which of the following non-ferrous metals is classed as a light alloy? a.Beryllium base b.Zinc base c.Tin base d.All of the above 13. Which of the metals listed below has the highest strength to weight ratio? a.Beryllium b.Titanium c.Aluminium d.Zinc 14. One of the major drawbacks of magnesium alloys is? a.Poor corrosion resistance 2

b.Notch sensitivity c.High density d.More expensive than using beryllium which exhibits similar properties 15. Which of the following non-ferrous metals is almost exclusively diecast? a.Aluminium b.Copper c.Magnesium d.Zinc 16. Cobalt is used as an alloying constituent in? a.Bearing alloys b.Solders c.Permanent magnets d.Dental alloys 17. Manufacturing is a term used generally to describe the ??? of a bulk material? a.Designing b.Production c.Shape changing d.Casting 18. Which of the following is classed as a manufacturing process? a.Casting b.Welding c.Machining d.Rolling e.All of the above

19. Which of the following manufacturing processes is the most economical method of producing complex shapes? a.Casting b.Forging c.Rolling d.Welding 20. In modern manufacturing industries which of the following factors are considered? a.Markets b.Product life c.Design d.Manufacturing process e.All of the above

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21. Which of the following is required when making a sand casting? a.A mold b.A pattern c.A flask d.All of the above 22. Shrinkage within a casting can occur in which of the following states? a.Liquid state b.Solidification c.Solid state d.Solidification and solid state e.All of the above 23. Pattern makers shrinkage occurs in? a.Liquid state of casting b.Solidification state of casting c.Solid state of casting d.All of the above 24. When a change of wall thickness is required in a casting what would give the best design results? a.Sudden section change b.Small radii c.Large radii d.All of the above

25. Metal is fed into the casting cavity through a ??? system? a.Flow system b.Gating system c.Pouring system d.Riser system 26. Wells outside the normal finished casting are there to allow for? Gas evolution Sand erosion Shrinkage Airlocks 27. Directional solidification in Castings is helped by the use of? a.Cores b.Feederheaders c.Chills d.Chaplets 28. Where holes or cavities are required in the finished casting a ??? is used in the modling stage? 4

a.Chill b.Ingate c.Riser d.Core 29. Green sand is a mixture of sand and? a.Clay b.Silicon c.Water d.Clay and water e.All of the above 30. The upper half of a flask is called? a.A drag b.A cope c.A draft d.A mould

31. Small metal supports which become part of the casting during pouring are called? a.Chills b.Chaplets c.Cores d.Risers 32. Which of the following casting processes is best used for small intricate casting - upto 2kg - requiring close tolerances? a.Centrifugal casting b.Investment casting c.Continuous casting d.Permanent mold casting 33. The casting process which gives improved material density towrads the outside of teh mold is? a.Centrifugal casting b.Investment casting c.Continuous casting d.Permanent mold casting 34. The casting process which produces bar is known as? a.Centrifugal casting b.Last wax process c.Continuous casting 5

d.Plaster mold casting 35. Splashed metal entrapped by molten metal that does not re-fuse is called? a.Hot tear b.Chill c.Inclusion d.Cold shut 36. The bottom part of the flask is known as the? a.Cope b.Bottom board c.Drag d.Runner

37. Which of the following is used to give preferential solidification of castings? a.Chills b.Chaplets c.Cores d.None of the above 38. In the casting process what name is given to the part which is used to represent the finished item? a.The mould b.The spruce c.The pattern d.The shell 39. The crystal structure of a casting adjacent to the mould wall will be? a.Fine equiaxed grains b.Core equiaxed grains c.Columnar grains d.Dendritic 40. Shrinkage occuring in the casting process can be divided into how many stages? a.1 b.2 c.3 d.4

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BASIC QB 3 1. Beryllium base 2. Aluminium 3. All of the above 4. Re-crsytalisation 5. ET 6. Copper 7. Copper and zinc 8. Radiography and penetrant 9. Galvanising 10. Will char when heated 11. Charred by heat 12. Beryllium base 13. Beryllium 14. Notch sensitivity 15. Zinc 16. Permanent magnets 17. Shape changing 18. All of the above 19. Casting 20. All of the above 21. All of the above 22. All of the above 23. Solid state of casting 24. Large radii 25. Gating system 26. Shrinkage 27. Chills 28. Core 29. Clay and water 30. A cope 31. Chaplets 32. Investment casting 33. Centrifugal casting 34. Continuous casting 35. Cold shut 36. Drag 37. Chills 38. The pattern 39. Fine equiaxed grains 40. 3

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