Which of the following operation is first performed?
A. Spot facing
B. Boring
C. Tapping
D. Drilling
Answer: Option D
A. Spot facing
B. Boring
C. Tapping
D. Drilling
Answer: Option D
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
after drilling, there will be produce BURR on Drilled Edge, so it will be removed by spot facing later.
boring is done after drilling.
Answer is drilling
Spot facing
first operation is drilling.
Boring is performed to increase the dia of already drilled hole. So it will be not the right answer
I think drilling.
Write answer is drilling. Boring not possible
how???
Drilling..