MCQs on Geometry of Twist Drills-2
1 - Question
Small part of conical surface of a point which is grounded to provide relief near the cutting edge in twist drills is known as
a) Lip clearance
b) Face
c) Flute
d) Flank
View Answer
Explanation: Lip clearance is a Small part of conical surface of a point which is grounded to provide relief near the cutting edge.
2 - Question
In twist drills, curved surface of flute near the lip is known as
a) Lip clearance
b) Face
c) Flute
d) Flank
View Answer
Explanation: Face is the curved surface of flute near the lip. Lip clearance is a Small part of conical surface of a point which is grounded to provide relief near the cutting edge.
3 - Question
In twist drills helical grooves in the body of drill are called
a) Lip clearance
b) Face
c) Flute
d) Flank
View Answer
Explanation: Flutes are grooves in the body of a drill. These grooves are helical in shape. They provide passage for chip flow. advertisement
4 - Question
Which of the following part of twist drill is responsible for making chips curl and provide passage for chip flow?
a) Lip clearance
b) Face
c) Flute
d) Flank
View Answer
Explanation: Flutes are grooves in the body of a drill. These grooves are helical in shape. They provide passage for chip flow.
5 - Question
In twist drills, curved surface on either side of dead centre, confined between lip on its on its one side and face of the flute on its other side is called
a) Lip clearance
b) Face
c) Flute
d) Flank
View Answer
Explanation: Flank is on either side of dead centre. Curved surface on either side of dead centre, confined between lip on its on its one side and face of the flute on its other side is called flank.
6 - Question
Which of the following separate flute from each other in twist drills?
a) Web
b) Chisel edge corner
c) Outer corner
d) Neck
View Answer
Explanation: Web is a central metal column and separates flutes.
7 - Question
In twist drills, chisel edge and lip intersect at
a) Web
b) Chisel edge corner
c) Outer corner
d) Neck
View Answer
Explanation: Chisel edge corner is the point where chisel edge and lip intersects.
8 - Question
In twist drills, face and flank intersect at a corner at the extreme of dead centre, that corner is known as
a) Web
b) Chisel edge corner
c) Outer corner
d) Neck
View Answer
Explanation: At outer corner face and flak intersects. Face and flank intersect at corner at the extreme of dead centre, that corner is known as outer corner.
9 - Question
Which of the following part of twist drill separates body from shank?
a) Web
b) Chisel edge corner
c) Outer corner
d) Neck
View Answer
Explanation: Neck separates body and shank.
10 - Question
In twist drills, end of tapered shank is attached to
a) Web
b) Chisel edge corner
c) Outer corner
d) Tang
View Answer
Explanation: Tang is a flat portion with rectangular cross section provided at the end of shank.
11 - Question
In twist drills, Edge formed by an intersection of body clearance and flute is known as
a) Web
b) Chisel edge corner
c) Heel
d) Neck
View Answer
Explanation: Heel is an edge formed by an intersection of body clearance and flute.