The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is
A. Carbide, ceramic, cermet, borazon
B. Ceramic, carbide, borazon, cermet
C. Cermet, carbide, ceramic, borazon
D. Borazon, ceramic, carbide, cermet
Answer: Option C
This Question Belongs to Mechanical Engineering >> Manufacturing And Production Technology
Hot hardness is the ability of a material to retain hardness at high temperature. Option a is correct
option A is right answer