Q. In which of the following machine, the work rotates and the tool is stationary?

View solution

Q. The cutting fluid mostly used for machining alloy steels is

View solution

Q. The cutting speed is zero at the periphery and it is maximum at the centre of the drill.

View solution

Q. In metal cutting operations, chips are formed due to plastic deformation of the metal.

View solution

Q. The cutting force in down milling is maximum when the tooth begins its cut and reduces to minimum when the tooth leaves the work.

View solution

Q. The ductile materials, during machining, produce

View solution

Q. Slow speed of the spindle is necessary in

View solution

Q. The hole drilled for tapping should be smaller than the tap size by twice the depth of thread.

View solution

Q. Relief angles on high speed steel tools usually vary from

View solution

Q. It is required to cut screw threads of 2 mm pitch on a lathe. The lead screw has a pitch of 6 mm. If the spindle speed is 60 r.p.m., then the speed of lead screw will be

View solution

Q. The tool life in case of a grinding wheel is the time

View solution

Q. In which of the following machine, the work is usually rotated while the drill is fed into work?

View solution

Q. In twist fluted drills, chips do not move out automatically.

View solution

Q. Mild steel during machining produces __________ chips.

View solution

Q. Up milling is also called conventional milling.

View solution

Q. Fixtures are used

View solution

Q. In ultra-sonic machining, tool is made of

View solution

Q. Ceramic tools has greater tool life than carbide tools.

View solution

Q. The rake angle of a single point cutting tool corresponds to __________ of a twist drill.

View solution

Q. As the cutting speed increases, the tool cutting forces

View solution