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
Answer: Option C
Solution(By Examveda Team)
Right hand spiral reamers should be selected for blind holes.- Additionally a right hand spiral also helps bridge interruptions such as cross-holes or keyways.
- A right hand spiral reamer may cut slightly oversized holes due to the aggressive flute geometry.
- They perform very well in highly ductile materials.
. A fine grained grinding wheel is used to grind
A. hard and brittle materials
B. soft and ductile materials
C. hard and ductile materials
D. soft and brittle materials.
reamining operation is carried out for finishing operation of already drilled hole