The cutting angle of a flat drill varies from
3° to 8°
20° to 30°
60° to 90°
90° to 120°
- Which of the following operation is first performed?
- The increase in depth of cut and feed rate __________ surface finish.
- A right hand tool on a lathe cuts most efficiently when it travels
- The abrasive recommended for grinding materials of high tensile strength is
- In the relation VTn = C, the value of n for ceramic tools is
- Larger end cutting edge angle _________ tool life.
- In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges…
- In centreless grinding, the surface speed of regulating wheel is
- In order to achieve a specific surface finish in single point turning, the most important factor to…
- Tool life is measured by the
- Crater wear is predominant in
- In drilling softer materials, the cutting speed is _________ as compared to harder materials.
- A single point tool has
- For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature…
- If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures,…
- The effect of setting a boring tool above centre height leads to
- When the tool moves parallel to the lathe axis, the movement is termed as
- The operation in which oil is permeated into the pores of a powder metallurgy product is known as
- For turning small taper on long workpiece, the suitable method is
- A set of eight form relieved milling cutters for each module is provided to enable cutting of gears…
- In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the…
- Which one of the following is a solid state joining process?
- In an interchangeable assembly, shafts of size 25.000 -0.010⁺⁰⁰⁴⁰…
- The average cutting speed for turning mild steel with a high speed steel tool is
- For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
- Which of the following statement is wrong about ultrasonic machining?
- What is the type of welding defect caused due to poor deposition of weld rod is called?
- A shaft has a dimension, φ9 +0.025⁺⁰⁰⁰⁹, the respective values…
- Dielectric is used in
- The lip angle is the angle