1. Which of the following metals has very little ductility?
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Copper
Steel
Iron
Aluminium
Bottom of Form 2. Mechanical properties are generally improved?
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In the direction of rolling
30 degrees to the direction of rolling
45 degrees to the direction of rolling
90 degrees to the direction of rolling
Bottom of Form 3. Grain refinement for metals existing in one crystalline form can be accomplished by?
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Hot working
Cold working
Recrystallisation
Hot working and recrystallisation
All the above
Bottom of Form 4. For steels hot working is performed at temperatures of?
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500-750 degrees celsius
750-950 degrees celsius
950-1300 degrees celsius
1300-1500 degrees celsius
Bottom of Form 5. How generally is a decarburised layer removed?
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Heat treatment
Surface removal
Stress relief
Annealing
All of the above
Bottom of Form 6. Improved properties can be achieved by?
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Cold rolling
Hot rolling
Extrusion
All of the above
Bottom of Form 7. Most materials used in Mill work start out as?
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Cast ingots
Slabs
Billets
Blooms
Bottom of Form 8. Which listed below have approximately square cross sections?
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Slab
Bloom
Billet
Bloom and Billet
All of the above
Bottom of Form 9. Of these methods listed below which will eliminate the need for an ingot?
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Hot rolling
Continuous casting
Extrusion
None of the above
Bottom of Form 10. Which of the following may be considered as a flat product of the steel mill?
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Sheet
Plate
Strip
Sheet and Strip
All of the above
Bottom of Form 11. Mill work covers many products. Which below would be classed as a mill product?
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Pipe
Tube
Casting
Pipe and tube
None of the above
Bottom of Form 12. Pipe and tube may be manufactured using which technique?
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Extruding
Rolling
Resistance welding
Extruding and Rolling
All of the above
Bottom of Form 13. One type of forging operation uses?
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Rolling
Casting
Open dies
Extrusion
Bottom of Form 14. The principal NDT method to locate internal discontinuities in forgings is?
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UT
RT
ET
MT
Bottom of Form 15. Impact forging is more commonly known as?
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Open die forging
Drop forging
Closed die
Rotary swaging
Bottom of Form 16. The term used in powder metallurgy for the bonding of the solid particles is?
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Pressing
Blending
Sintering
Mixing
Bottom of Form 17. A typical application of powder metallurgy parts is?
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Cutting tools
Castings for human implants
Extrusion of thin sections
Metal fabrication of minute welds
Bottom of Form 18. Which of the following has an essentially rectangular cross-section?
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Bar
Bloom
Slab
Billet
Bottom of Form 19. Which of the following is an advantage of the continuous casting process?
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Removes the requirement for ingots
Reduces wastage of material
Can produce intricate cross sections
Removes the requirement for ingots and reduces wastage of material
All of the above
Bottom of Form 20. Sheets of metal before it is rolled into pipe using a welding bell is called?
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Strip stock
Skelp
Pipe stock
Tube stock
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21. Which extrusion process uses less pressure due to lower build ups of friction container and billet?
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Direct hot working
Indirect cold working
Indirect hot working
Direct cold working
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22. Powder metallurgy is used to shape produce refractory metals. Which of the following is classed as a refractory material?
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Inconel
Magnesium
Tungsten
Beryllium
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23. The shearing operation has many forms - names - of those listed below which is a shearing operation?
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Bending
Drawing
Forming
Parting
Bottom of Form 24. During the bending process what stresses are produced within the material?
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Compressive
Shear
Tensile
Compressive and Tenisle
All of the above
Bottom of Form 25. In explosive forming?
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Gun powder is used
High explosive is used
Slow buring propellants are used
High explosive and slow buring propellants are used
Bottom of Form 26. Which of the following is a hole making operation?
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Splitting
Parting
Blanking
Notching
27. In the machining process metal is removed in the form of?
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Swarf
Chips
Fillings
Turnings
Bottom of Form 28. High speed steels are generally used for which type of cutting tool?
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Grinders
Drills
Files
Abrasives
Bottom of Form 29. The letters N/C in machine work stand for?
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Numerical control
Number cycle
Numerical cutting
Number counting
Bottom of Form 30. Which of the following may be used as a cutting tool material?
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Diamonds
Cast iron
Cemented carbides
Both diamonds and cemented carbides
Bottom of Form 31. What material is usually used in injection molding?
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Thermosetting plastics
Thermoplastics
Ceramics
Powder metals
Bottom of Form 32. What materials are required for reinforced plastic molding?
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Filler
Resin
Wood Shavings
Filler and Resin
All of the above
Bottom of Form 33. Laminates are a composite form which below would be classed as a laminate?
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Fibreglass
Honeycomb
Ceramics
Fibreglass and Honeycomb
Bottom of Form 34. The letters EDM stands for?
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Electronic digital meter
Electro discharge motor
Electrical discharge machinery
Electro dispensing machine
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35. The common term used to denote the 'light amplification by stimulated emission of radiation' is?
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Laser
Cathode ray tube
Photon Gun
Optical microscope
Bottom of Form 36. Composites may be made up of which of the following material combinations?
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Combinations of different metals
Combinations of different metals and non metals
Combinations of different non metals
All of the above
Bottom of Form 37. Case hardening is accomplished by?
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Carburizing
Heat treating
Flame hardening
Carburizing and flame hardening
Bottom of Form 38. With which NDT method is surface cleanliness most important?
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UT
PT
MT
RT
Bottom of Form 39. Abrasive finishing could be classified by which of the following methods?
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Wire brush
Polishing
Buffing
All of the above
Bottom of Form
40. Electro plated surfaces are ususally quite thin. Which common NDT methd is used to measure the plate thickness?
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MT
UT
ET
PT
Bottom of Form 41. Which materials can best be anodised?
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Steel
Copper
Aluminium
Brass
Bottom of Form 42. Which of the following is not a form of case hardening?
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Spheroidising
Carburing
Flame hardening
Nitriding
Bottom of Form 43. Which of the following is a measuring device?
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Micrometer
Vernier
Steel rule
All of the above
Bottom of Form 44. Fixed guages are used?
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Only on single purpose applications
To measure internal bores
Shape relationships
All of the above
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Bottom of Form