1. Products used in load carrying applications require more careful testing because?
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Failure can cause loss of life
Failure can cause loss of use of the product
Failure can be expensive
Failure can cause danger to other structures
All the above
Bottom of Form 2. Loads which are most likely to cause failure are?
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Single direction
Multi directional
Duo directional
Pahse orientated
Bottom of Form 3. The general term for a local variation in material continuity is called?
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A discontinuity
A defect
An indication
A crack
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4. Where an unacceptable condition occurs in a material, due to local variations in material continuity the term given specifically to this is?
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A discontinuity
A flaw
A defect
Any of the above
Bottom of Form 5. Which of the following could be considered a discontinuity?
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Crack
Change of section
Drilled holed
All the above
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6. The study and description of a material property related to analytical studies and testing attempts to quantify the toughness of a material is known as?
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Fracture mechanics
Acceptance standards
Defect reliability
Defect analysis
Bottom of Form 7. A flaw which is deemed to be unacceptable standards is called?
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A discontinuity
A defect
An indication
A blemish
Bottom of Form 8. Which of the following is NOT considered a mode of failure?
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Fracture
Plastic deformation
Fatigue
Elastic deformation
Bottom of Form 9. Brittle fracture is most likely to occur?
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At high temperatures
At low temperatures
Under cyclic loading
In a corrosive environment
Bottom of Form 10. NDT is generally not carried out on cast irons because?
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Cast iron is inherently free from major defects
Due to the high carbon content cast iron can withstand high tensile stresses
It is generally used in applications where the loads are principally comprehensive
The low cost of cast iron cannot justify the high cost of NDT
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11. To make by hand, machinery or by agency: To produce by labour and usally machinery, defines the?
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Manufacturing process
Engineering process
Machinery process
Technology
Bottom of Form 12. Processing is one or more steps that change a Products?
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Shape
Properties
Chemical analysis
Shape and Properties
All the above
Bottom of Form 13. Changing a material's shape can be accomplished in which of the following states?
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Solid
Liquid
Plastic
Solid and Liquid
All of the above
Bottom of Form 14. Which of the following is an example of reshaping?
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Casting
Forging
Grinding
All of the above
Bottom of Form 15. The process of solidification during casting can be likened to that of the?
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Forging process
Rolling process
Welding process
Extrusion process
Bottom of Form 16. Reshaping of a material whilst in a plastic or semi-solid form is called?
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Casting
Rolling
Extrusion
All of the above
Rolling and Extrusion
Bottom of Form 17. Which of the following could be referred to as an engineering material?
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Plastic
Concrete
Glass
All of the above
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18. Which of the following properties of a material can be used to predict the deflection of a certain size beam under known loads?
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Tensile strength
Elastic limit
Younges modules
Ductility
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19. Which of the following must be considered when choosing an engineering material for a particular application?
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Cost
Loading
Mechanical properties
Inspection costs
Any of the above
Bottom of Form 20. Which of the following could effect the properties of an engineering material?
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Composition
Heat treated condition
Crystal structure
Composition and heat treated condition
Composition, heat treated condition and crystal strucure
Bottom of Form 21. Which of the following is classed as a chemical property?
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Electrical conductivity
Thermal conductivity
Corrosion resistance
Machine resistance
Bottom of Form 22. Which of the following is classed as a Physical property?
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Density
Conductivity
Melting point
All of the above
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23. A test designed to determine a materials castability would be classified as looking for a?
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Mechanical property
Physical property
Processing property
Chemical property
Bottom of Form 24. Internal forces acting upon imaginary planes cutting the body being loaded are?
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Stresses
Pressures
Strain
Fatigues
Bottom of Form 25. A stress caused by forces at an angle to the plane is known as a?
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Comprehensive stress
Tensile stress
Normal stress
Shear stress
Bottom of Form 26. A non-destructive test is usually classified as a?
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Indirect test
Direct test
Destructive test
Indirect and direct test
Bottom of Form 27. If a material is loaded until its elastic limit is exceeded, what condition will occur?
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The material may fracture
The material may be work hardened
The material will show no harmful effects
The material may fracture and the material may be work hardened Bottom of Form 28. The ultimate strength of material is?
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Lower than the breaking strength for ductile materials
Lower than the rupture strength for ductile materials
The same as the breaking strength for brittle materials
None of the above
Bottom of Form 29. The modulus of elasticity is also known as?
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Stress's modulus
Young's modulus
Strain's modulus
Resilience
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30. Which of the following materials exhibits better compressive strength than tensile strength?
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Cast iron
Concrete
Wood
Concrete and wood
All the above
Bottom of Form 31. When a metal is very brittle which test is used to replace the tensile test?
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The shear test
The transverse rupture test
The compression test
The endurance test
Bottom of Form 32. Fatigue failure may initiate from?
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An area of corrosion
An internal flaw
A surface notch
All the above
Bottom of Form 33. Which of the following is a Notched Bar test?
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Tensile impact test
Charphy test
Izod test
Charpy test and izod test
All the above
Bottom of Form 34. Hardness tests can be used to determine material?
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Hardness
Composition
Heat treated condition
All the above
Bottom of Form 35. The superficial Rockwell test is carried out on materials that?
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Only allow very small surface blemishes
Are very ductile
Have very large surface areas
None of the above
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36. Calculate the factor of safety given that a materials has a working stress of 15, 000 ibs per square inch and an elastic limit of 60, 000 lbs per square inch?
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2
4
6
8
Bottom of Form 37. Which of the following is a notched bar test?
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Charpy
Creep
Izod
Charpy and Izod
All of the above
Bottom of Form 38. To what angle should a bend test be normally bent?
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180 degrees
150 degrees
90 degrees
None of the above
Bottom of Form 39. Which of the following is a hardness test?
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Rockwell
Creep
Charpy
Izod
Bottom of Form 40. Stresses that act along or parallel to a plane are known as?
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Shear stresses
Tensile stresses
Compressive stresses
All of the above