In ultrasonic machining, tool is made of
A. Tungsten carbide
B. Brass or copper
C. Diamond
D. Stainless steel
Answer: Option B
A. Tungsten carbide
B. Brass or copper
C. Diamond
D. Stainless steel
Answer: Option B
The carbide tools operating at very low cutting speeds (below 30 m/min)
A. Reduces tool life
B. Increases tool life
C. Have no effect on tool life
D. Spoils the work piece
The type of reamer used for reaming operation in a blind hole, is
A. Straight fluted reamer
B. Left hand spiral fluted reamer
C. Right hand spiral fluted reamer
D. Any one of these
High speed steel tools retain their hardness up to a temperature of
A. 250°C
B. 350°C
C. 500°C
D. 900°C
Stainless steel is also ductile and have enough strength then why we choose brass or copper
According to your explanation the Answer Should be Stainless Steel. But you have given Brass and Copper as your answer. Your explanation is contradicting your answer.