Ultrasonic machine is best suited for
A) Non-ferrous metal
B) Spongy materials
C) Brittle materials
D) Dielectrics
E) Amorphous solids
Correct Answer:
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Q15: The type of grains usually preferred for
Q16: A drill will not cut when
A)helix pitch
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Q18: The collapsible tubes for tooth pastes are
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Q21: Which of the following is very hard
Q22: In a machining operation on free cutting
Q23: The process of cutting thin gears from
Q24: A Hack-saw blade cuts on
A)Depends on direction
Q25: Buffing is
A)An finishing operation in broaching
B)An etching
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