Production Engineering Questions

• In machining metal, cutting force at the cutting edge is measured by a
• A feed gear box for a screw cutting lathe is designed on the basis of
• The tailstock set over required to turn a taper on the entire length of a workpiece having diameters D and d is
• In ultra-sonic machining, tool is made of
• In oblique cutting system, the tool may or may not generate a surface parallel to the workface.
• Mild steel during machining produces __________ chips.
• The chamfering is an operation of
• The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece, is called
• Soft materials can not be economically ground due to
• Small nose radius
• The width of cutting edge of a parting-off tool varies from
• The rake angle of a single point cutting tool corresponds to __________ of a twist drill.
• The operation of machining several surfaces of a workpiece simultaneously is called
• Crater wear leads to
• The tool life in case of a grinding wheel is the time
• The plunge grinding requires very __________ speed.
• The factor considered for evaluation of machinability is
• The lip clearance angle should decrease towards the centre of the drill than at the circumference.
• Tool life is measured by the
• Which of the following parameters govern the value of shear angle in continuous chip formation?