The average cutting speed for turning mild steel with a high speed steel tool is
15 to 19 m/min
25 to 31 m/min
60 to 90 m/min
90 to 120 m/min
- Tool life is generally better when
- In electro discharge machining, tool is made of
- The work or surface speed for cylindrical grinding varies from
- The lathe spindles are usually made hollow and provided with
- Crater wear is predominant in
- In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth…
- The rake angle required to machine brass by high speed steel tool is
- The tool life in case of a grinding wheel is the time
- In the relation VTn = C, the value of n for carbide tools is
- The cutting force in punching and blanking operations mainly depends on
- The lead screw of a lathe has _________ threads.
- In plunge grinding
- The in-feed grinding is used to
- Crack in grinding wheel is developed due to
- The parameter which completely defines the chip formation in a metal cutting process is
- Gear burnishing is a process for
- Ultrasonic machining is best suited for
- A tool used to withdraw a drill from the sleeve is called
- Which of the following engineering materials is the most suitable candidate for hot chamber die casting?
- Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer…
- Volume of a cube of side l and volume of a sphere of radius r are equal. Both the cube and the sphere…
- In down milling, the thickness of chip is
- When the shear angle is small
- For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
- The factor which affects the tool life is
- It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece.…
- The facing is an operation of
- As the cutting speed increases, the tool cutting forces
- The main purpose of a boring operation, as compared to drilling, is to
- The machining of titanium is difficult due to