The abrasive recommended for grinding materials of low tensile strength is
Silicon carbide
Aluminium oxide
Sand stone
Diamond
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- The operation of producing grooves around the periphery of a cylindrical or conical workpiece is called
- The size of abrasive grain required in a grinding wheel depends upon the
- A dynamometer is a device used for the measurement of
- A single point tool has
- If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
- A broach has
- Which of the following statement is correct for orthogonal cutting system?
- Climb milling is chosen while machining because
- In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting…
- The factor responsible for the formation of discontinuous chips is
- In an interchangeable assembly, shafts of size 25.000 -0.010⁺⁰⁰⁴⁰…
- Soft materials can not be economically ground due to
- A mandrel is used to hold
- Gear lapping is an operation
- The increase in depth of cut and feed rate __________ surface finish.
- As the cutting speed increases, the tool cutting forces
- In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used…
- Crater wear leads to
- The type of tool used on milling machine and broaching machine is
- Which of the following statement is wrong about ultrasonic machining?
- In metal machining, the zone where the heat is generated due to friction between the moving chip and…
- It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece.…
- A lathe with four steps on the cone pulley and with back-gears will have
- The example of snag grinding is
- Tumbler gears in lathe are used to
- In a metal arc welding process, metal transfer across the arc may take place by a method of material…
- The cutting force in up milling __________ per tooth movement of the cutter.
- The tap used to cut threads in a blind hole is
- During normalizing process of steel, the specimen is heated
- The top and sides of the table of a shaper usually have