DRILLS - Quiz

1) Which factor decides the point angle of a drill?

Material of the drill Diameter of the drill Material to be drilled Type of the drilling machine

2) What is the name of device to hold parallel shank drills?

Socket Drill chuck 4 jaw chuck Taper sleeve

3) What is the point angle of a twist drill for general purpose work?

108 Degree 118 Degree 120 Degree 181 Degree

4) Which part of the drill is used for measuring the drill diameter?

Land Flank Lip Flute

5) Which material is used for making drill?

Cast iron Mild steel Wrought iron High speed steel