Threading is an operation of
Smoothing and squaring the surface around a hole
Sizing and finishing a small diameter hole
Producing a hole by removing metal along the circumference of a hollow cutting tool
Cutting helical grooves on the external cylindrical surface
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- The percentage of carbon in gray cast iron is in the range of
- The broaching operation in which the work moves past the stationary tool is called
- When the shear angle is large
- The rear teeth of a broach
- In Oxyacetylene gas welding, temperature at the inner cone of the flame is around
- Which type of motor is not used in axis or spindle drives of CNC machine tools?
- The grade of grinding wheel depends upon
- In a milling operation, two side milling cutters are mounted with a desired distance between them so…
- The main purpose of a boring operation, as compared to drilling, is to
- The shear velocity is the velocity of
- In hot machining, tool is made of
- The abrasive slurry used in ultrasonic machining contains fine particles of
- A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to…
- The soft grade grinding wheels are denoted by the letters
- The tail stock set over method of taper turning is preferred for
- The cutting speed is minimum while machining _________ with a high speed steel tool.
- As the cutting speed increases, the tool cutting forces
- The hardness of a grinding wheel is specified by
- Which of the following operation is first performed?
- In electro discharge machining, tool is made of
- The angle between the face and flank of the single point cutting tool is known as
- The chuck used for setting up of heavy and irregular shaped work should be
- Quality screw threads are produced by
- Chip breakers are used to
- The operation of machining several surfaces of a workpiece simultaneously is called
- Stellite preserves hardness upto a temperature of
- In oblique cutting system, the cutting edge of the tool
- What is the type of welding defect caused due to shrinkage during solidification and by weld stresses…
- When the cutting edge of the tool is dull, then during machining
- Dielectric is used in