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The factor considered for evaluation of machinability is

A. Cutting forces and power consumption

B. Tool life

C. Type of chips and shear angle

D. All of these

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

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  1. In down milling, the thickness of chip is
  2. The grinding of long, slender shafts or bars is usually done by
  3. Two streams of liquid metal which are not hot enough to fuse properly result into a casting defect known…
  4. During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 ; the type of tool motion…
  5. In machining metals, chips break due to __________ of work material.
  6. The trade name of a nonferrous cast alloy composed of cobalt, chromium and tungsten is called
  7. The material property which depends only on the basic crystal structure is
  8. In metal cutting, use of low feeds and high cutting speeds is desired when the objective is
  9. Which type of motor is not used in axis or spindle drives of CNC machine tools?
  10. The velocity of tool along the tool face is known as
  11. The operation of smoothing and squaring the surface around a hole is known as
  12. A twist drill is a
  13. In drilling softer materials, the cutting speed is _________ as compared to harder materials.
  14. The angle between the lathe centres is
  15. Gears can be best produced on mass production by
  16. The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap.
  17. The soft grade grinding wheels are denoted by the letters
  18. A grinding wheel becomes glazed (i.e. cutting edge takes a glasslike appearance) due to
  19. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter…
  20. In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness…
  21. The hardness of a grinding wheel is specified by
  22. In oblique cutting system, the maximum chip thickness
  23. The chuck used for setting up of heavy and irregular shaped work should be
  24. Which of the following statement is correct as regard to up milling?
  25. The negative rake is usually provided on
  26. The cutting speed of a drill depends upon the
  27. A grinding wheel is said to be of _________ if it holds the abrasive grains more securely.
  28. The different spindle speeds on a lathe form
  29. Small nose radius
  30. The taper on the lathe spindle is