Question 1
Magnetic crack inspection ________.
◦ Uses a red dye to detect cracks in aluminum
◦ Uses a black light to detect cracks in iron parts
◦ Uses a fine iron powder to detect cracks in iron parts
◦ Uses a magnet to remove cracks from iron parts
Question 2
Many cleaning methods involve chemicals that are hazardous to use. The least hazardous method is generally considered to be the ________.
◦ Pyrolytic oven
◦ Hot vapor tank
◦ Hot soak tank
◦ Cold soak tank