The operation in which oil is permeated into the pores of a powder metallurgy product is known as
Mixing
Sintering
Impregnation
Infiltration
- The rake angle required to machine brass by high speed steel tool is
- A broach has
- The lathe centres are provided with standard taper known as
- Which of the following statement is correct about EDM machining?
- In centreless grinding, the surface speed of regulating wheel is
- Drilling is an example of
- What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?
- Larger than 15° side cutting edge angle
- The tool life is said to be over if
- A left hand tool on a lathe cuts most efficiently when it travels
- High speed steel tools retain their hardness upto a temperature of
- Continuous chips with built up edge are formed during machining of
- The main purpose of a boring operation, as compared to drilling, is to
- The angle on which the strength of the tool depends is
- A tool used to withdraw a drill from the sleeve is called
- An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as
- The size of a lathe is specified by the
- When the shear angle is small
- Allowance in limits and fits refers to
- A right hand tool on a lathe cuts most efficiently when it travels
- For generating a Coons surface we require
- Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known…
- Lapping is an operation of
- Which of the following operations can be performed with milling cutters?
- In drilling softer materials, the cutting speed is _________ as compared to harder materials.
- The average cutting speed for turning mild steel with a high speed steel tool is
- The grinding wheel speed (surface speed in m/min) usually varies from
- Which of the following operation is first performed?
- The cutting speed for drilling __________ with high speed steel drills is 24 to 45 m/min.
- Which of the following statement is wrong?