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Ninth Grade (Grade 9) Welding and Metal Fabrication Questions

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Grade 9 Welding and Metal Fabrication
Which of the following footwear would NOT contribute to shop safety?
  1. closed toed shoes
  2. sandals
  3. tennis shoes
  4. hunter boots
Grade 9 Welding and Metal Fabrication
               is the amount of thermal energy in matter
  1. water
  2. heat
  3. atom
  4. ice
Grade 9 Welding and Metal Fabrication
Slag or other oxides get trapped in weld metal               
  1. inclusion
  2. undercut
  3. overlap
  4. under feel
Grade 9 Welding and Metal Fabrication
When weld deposited is not enough to bring welds face even with surface                  
  1. incomplete fusion
  2. under feel
  3. crater cracks
  4. undercut
Grade 9 Welding and Metal Fabrication
Small marks that are left on the metal while trying to start the weld                 
  1. incomplete fusion
  2. ark strikes
  3. overlap
  4. undercut
Grade 9 Welding and Metal Fabrication
Discontinuity where gas becomes trapped in molten weld pool causes bubbles               
  1. inclusion
  2. porosity
  3. crater cracks
  4. undercut
Grade 9 Welding and Metal Fabrication
When someone visually checks weld for quality.
  1. magnetic particle
  2. visual testing
  3. radio graphic
  4. penetrate
Grade 9 Welding and Metal Fabrication
This inspection uses sound waves to penetrate weld and find flaws.
  1. magnetic particle
  2. ultrasonic
  3. radio graphic
  4. penetrate
Grade 9 Welding and Metal Fabrication
Tiny cracks that develop in weld pool as it cools                
  1. crater cracks
  2. undercut
  3. under feel
  4. overlap
Grade 9 Welding and Metal Fabrication
The basic unit of measure of measure for degree in the US is Fahreinheit
  1. True
  2. False
Grade 9 Welding and Metal Fabrication
This type of inspection is used to locate minute cracks or holes in a weld.
  1. magnetic particle
  2. visual testing
  3. radio graphic
  4. penetrate
Grade 9 Welding and Metal Fabrication
The SI basic unit of measure of degree is Celcius
  1. True
  2. False
Grade 9 Welding and Metal Fabrication
Heating steels to signify above malleable state and holding the temperature there for several minutes and then still air cooled is called:
  1. Preheating
  2. Annealing
  3. Normalizing
Grade 9 Welding and Metal Fabrication
When weld deposits are larger than the joint:
  1. incomplete fusion
  2. undercut
  3. under feel
  4. overlap
Grade 9 Welding and Metal Fabrication
The result of removing more metal from a joint face and not replaced with weld metal:
  1. overlap
  2. undercut
  3. crater cracks
  4. under feel
Grade 9 Welding and Metal Fabrication
Lack of joining of filler metal and base metal                  
  1. incomplete fusion
  2. arc strikes
  3. overlap
  4. undercut
Grade 9 Welding and Metal Fabrication
The method of testing welds is called Quantity Control.
  1. True
  2. False
Grade 9 Welding and Metal Fabrication
Quenching is the process of rapidly cooling a metal.
  1. True
  2. False
Grade 9 Welding and Metal Fabrication
This inspection uses fine particles to indicate defects on surface.
  1. magnetic particle
  2. visual testing
  3. radio graphic
  4. penetrate
Grade 9 Welding and Metal Fabrication
This involves heating the structure of a metal to a high enough temperature to make it malleable.
  1. Preheating
  2. Annealing
  3. Normallizing
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