In metal machining, the zone where the heat is generated due to friction between the moving chip and the tool face, is called
Friction zone
Work-tool contact zone
Shear zone
None of these
- Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm…
- The advantage of a broaching operation is that
- While current is shut down in the welding circuit, what kind of voltage exists between the output terminals…
- The floating position of the holding fixture in a rotary transfer device is used to
- Lathe bed is made of
- The saw milling is an operation of
- When the temperature of a solid metal increases,
- Cast iron during machining produces
- The tool life in case of a grinding wheel is the time
- In ultrasonic machining, tool is made of
- Flank wear occurs mainly on the
- The grade of grinding wheel depends upon
- Which of the following operation is first performed?
- Lapping is an operation of
- The correct sequence of tool materials in increasing order of their ability to retain their hot hardness…
- The type of reamer used for reaming soft aluminium or copper, is
- The hardness of a grinding wheel is determined by the
- A lead-screw with half nuts in a lathe, free to rotate in both directions has
- In electrochemical machining, the gap between the tool and work is kept as
- Which one among the following welding processes uses nonconsumable electrode?
- Grinding wheels should be tested for balance
- Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out…
- When the metal is removed by erosion caused by rapidly recurring spark discharges between the tool and…
- The size of a shaper is given by
- In a CNC program block, N002 GO2 G91 X40 Z40......, GO2 and G91 refer to
- The enlarging of an existing circular hole with a rotating single point tool is called
- The different spindle speeds on a lathe form
- The grooving is an operation of
- In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth…
- The object of caulking in a riveted joint is to make the joint