Which one of the following is the destructive test O a. Ultrasonic test O b. Brinell Hardness test O c. X-ray O d. CT SCAN Springs can be made from Medium carbon steel Select one: True O False Point imperfections are zero dimensional defects Select one: True False Point imperfections are zero dimensional defects Select one: O True O False For Isotropic materials, the properties are same in all directions. Select one: O True O False BCC Materials are usually softer Select one: True False Which of the following defects result in voids O a. Line imperfections O b. Point defects O c. Volume imperfections O d. Surface imperfections Permanent deformation takes place after Yield point Select one: O True False Silicones are classified as Elastomer materials Select one: True O False Which one of the following is the characteristics of Non Ferrous metals O a. High Electrical insulation property O b. Low cost c. Availability is more O d. Better resistance to corrosion