Ultrasonic machining is best suited for

A. Tool steels

B. Sintered carbides

C. Glass

D. All of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. In a shaper, the metal is removed during
  2. For harder alloy steel, the point angle of the drill is kept
  3. Tumbler gears in lathe are used to
  4. During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 ; the type of tool motion…
  5. For fast removal of materials during grinding, a _________ grinding wheel is used.
  6. The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty…
  7. In plunge grinding
  8. The grinding wheel speed (surface speed in m/min) usually varies from
  9. The type of reamer used for reaming soft aluminium or copper, is
  10. The width of cutting edge of a parting off tool varies from
  11. Grinding wheels should be tested for balance
  12. The enlarging of an existing circular hole with a rotating single point tool is called
  13. Glazing in grinding wheels takes place when the
  14. The lead screw of a lathe has _________ threads.
  15. In transverse grinding
  16. The primary purpose of a sprue in a casting mould is to
  17. When two main plates are kept in alignment butting each other and riveted with cover plate on both sides…
  18. The cutting force in punching and blanking operations mainly depends on
  19. In determining the various forces on the chip, Merchant assumed that the
  20. The angle between the shear plane and __________ is called shear angle.
  21. A 15 mm drilling machine means that it can drill a hole
  22. The main purpose of spheroidising treatment is to improve
  23. What is the welding defect caused due to improper control and poor removal of slog between passes called?
  24. The height of each tooth of a broach is
  25. The cutting fluid mostly used for machining steel is
  26. Which of the following statement is wrong?
  27. The abrasive recommended for grinding materials of low tensile strength is
  28. A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to…
  29. In centreless grinding, the surface speed of regulating wheel is
  30. A grinding wheel is said to be of _________ if the abrasive grains can be easily dislodged.