Which of the following statements correct?
A) Rockwell scale B in used for hard metals
B) Rockwell scale C is used for hard metals
C) Rockwell scale C is used for soft metals
D) Rockwell scale A is used for hard metals
E) None of the above
Correct Answer:
Verified
Q23: An ideal tool material is the one
Q24: A hot chisel is one which is
A)Spherical
Q25: Chisels used for metal cutting are
A)Hardened
B)Annealed
C)Hardened and
Q26: Permissible percentage of moisture in dry woods
Q27: When silicon is added in the cast
Q29: The back rake angle of HSS single
Q30: Which of the following is located within
Q31: Which of the following is not a
Q32: Electronic components are often joined by
A)Sport welding
B)Seam
Q33: Two 12 mm plates are to are
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