The operation in which oil is permeated into the pores of a powder metallurgy product is known as

A. Mixing

B. Sintering

C. Impregnation

D. Infiltration

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