Production Engineering Questions

• A drill mainly used in drilling brass, copper or softer materials, is
• Flank wear occurs mainly on the
• The hole drilled for tapping should be smaller than the tap size by twice the depth of thread.
• Which of the following statement is wrong?
• Slow speed of the spindle is necessary in
• The tool life is affected by
• In electro-discharge machining, tool is made of
• The cutting speed is maximum while machining __________ with a high speed steel tool.
• Relief angles on high speed steel tools usually vary from
• The lip clearance angle is the angle formed by the
• In reaming process
• The cutting angle of a flat drill varies from
• In metal cutting operations, chips are formed due to plastic deformation of the metal.
• The negative rake is usually provided on
• The lathe spindles at the nose end have
• The grooving is an operation of
• In electro-discharge machining, dielectric is used to
• The cutting speed is zero at the periphery and it is maximum at the centre of the drill.
• The plain milling machine is more rigid and heavier in construction than a universal milling machine of the same size.
• When the metal is removed by erosion caused by rapidly recurring spark discharges between the tool and work, the process is known as