Q7
The cutting edge of a chisel should be
A.
Hardened
B.
Tempered
C.
Hardened and tempered
AnswerD.
Case hardened
Answer: Option C
Solution
Answer: Option C
Solution:
The cutting edge of a chisel should be Hardened and temperedA chisel is a tool with a characteristically shaped cutting edge of blade on its end, for carving or cutting a hard material such as wood, stone, or metal by hand, struck with a mallet, or mechanical power.