Related Questions

Drifters can be used to drill
A Only up holes
B Only down holes
C Horizontal or up holes
D Horizontal down or up holes
In drilling brass, a drill with
A Zero helix angle is used
B Low helix angle is used
C High helix angle is used
D Any helix angle can be used
The cutting speed of a drill depends upon the
A Material of drill
B Type of material to be drilled
C Quality of surface finish desired
D All of these
The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
A Helix or rake angle
B Point angle
C Chisel edge angle
D Lip clearance angle
The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is called
A Helix or rake angle
B Point angle
C Chisel edge angle
D Lip clearance angle
A tool used to withdraw a drill from the sleeve is called
A Drill remover
B Drill puller
C Drift
D Drill drawer
A twist drill is specified by its
A Shank, material and diameter
B Shank, lip angle and size of flute
C Material, length of body and helix angle
D Any one of these
A twist drill is a
A Side cutting tool
B Front cutting tool
C End cutting tool
D None of these
The point angle of a drill, for drilling stainless steel, is
A 90°
B 118°
C 135°
D 150°
The cutting angle of a flat drill varies from
A 3° to 8°
B 20° to 30°
C 60° to 90°
D 90° to 120°

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