For fast removal of materials during grinding, a _________ grinding wheel is used.
Course grained
Fine grained
Medium grained
None of these
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- In centreless grinding, the surface speed of regulating wheel is
- The relief or clearance at the cutting edge of a flat drill varies from
- The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average…
- In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent…
- When the tool moves parallel to the lathe axis, the movement is termed as
- The type of tool used on milling machine and broaching machine is
- The trade name of a nonferrous cast alloy composed of cobalt, chromium and tungsten is called
- In determining the various forces on the chip, Merchant assumed that the
- Cutting fluids are used to
- Hot rolling of mild steel is carried out
- In metal cutting operations, the shear angle is the angle made by the shear plane with the
- The width of cutting edge of a parting off tool varies from
- In an interchangeable assembly, shafts of size 25.000 -0.0100⁺⁰⁰⁴⁰…
- In oblique cutting of metals, the cutting edge of the tool is
- High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
- The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
- The cutting fluid mostly used for machining alloy steels is
- The angle between the lathe centres is
- The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions…
- Crack in grinding wheel is developed due to
- In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting…
- Broaching is applied for machining
- Any number of equal divisions can be obtained on milling machine by
- The maximum production of small and slender parts is done by
- The factor responsible for the formation of continuous chips with built up edge is
- The primary purpose of a sprue in a casting mould is to
- Internal gear cutting operation can be performed by
- The carbide tools operating at very low cutting speeds (below 30 m/min)
- Which of the following statement is correct regarding grinding of high carbon steel?
- The chamfering is an essential operation after