In transverse grinding
Buffing wheels are made of
The infeed grinding is used to
The vector sum of cutting velocity and chip velocity is __________ shear velocity.
For turning internal tapers, the suitable method is
The angle between the lathe centres is
The rate of removing metal is __________ by increasing the depth of cut.
A drill bit ofmm diameter rotating atr.p.m. with a feed rate of 0.2 mm/revolution is used to drill a through-hole in a mild steel platemm thickness. The depth of cut in this drilling operation is
In drilling mild steel and brass, the point angle of a drill is 118°.
In machining cast iron, no cutting fluid is required.
A grinding wheel is said to be of __________ if the abrasive grains can be easily dislodged.
In drilling softer materials, the cutting speed is __________ as compared to harder materials.
The effect of setting a boring tool above centre height leads to
Which of the following statement is correct about EDM machining?
The form grinding is used to grind gear teeth, threads, splined shafts and holes.
In __________ operation, the chip thickness is minimum at the beginning of the cut and it reaches to the maximum when the cut terminates.
In __________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to minimum when the tooth leaves the work.
In a milling operation, two side milling cutters are mounted with a desired distance between them so that both sides of a workpiece can be milled simultaneously. This set up is called
For harder alloy steel, the point angle of the drill is kept
The dressing and truing of grinding wheel are done with the same tools but not for the same purpose.
In gear hobbing
Hard and tough materials like cast iron should be turned at
Lathe bed is made of
When the shear angle is large
The method of grinding used to produce internal cylindrical holes and tapers, is
The tail stock and the carriage of a lathe may be guided on same or different guideway.
The tail stock set over method of taper turning is preferred for
In machining metals, surface roughness is due to
Which of the following statement is correct about nose radius?
Spot facing is an operation of smoothing and squaring the surface around a hole.
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