logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Production Engineering Comments

  • Question
  • Which of the following statement is wrong?


  • Options
  • A. The diamond is the hardest tool material and can run at cutting speeds about 50 times that of high speed steel tool.
  • B. The ceramic tools can be used at cutting speeds 40 times that of high speed steel tools.
  • C. The cemented carbide tools can be used at cutting speeds 10 times that of high speed steel tools.
  • D. The ceramic tools can withstand temperature upto 600°C only.

  • Correct Answer
  • The ceramic tools can withstand temperature upto 600°C only. 


  • Production Engineering problems


    Search Results


    • 1. In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as

    • Options
    • A. side relief angle
    • B. end relief angle
    • C. back rake angle
    • D. side rake angle
    • Discuss
    • 2. Cutting fluid has no effect on the tool life.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The type of reamer used for reaming operation in a blind hole, is

    • Options
    • A. straight fluted reamer
    • B. left hand spiral fluted reamer
    • C. right hand spiral fluted reamer
    • D. any one of these
    • Discuss
    • 4. The size of a shaper is given by

    • Options
    • A. stroke length
    • B. motor power
    • C. mass of machine
    • D. rate size
    • Discuss
    • 5. The trade name of a non-ferrous cast alloy composed of cobalt, chromium and tungsten is called

    • Options
    • A. ceramic
    • B. stellite
    • C. diamond
    • D. cemented carbide
    • Discuss
    • 6. In centreless grinders, the maximum angular adjustment of the regulating wheel is

    • Options
    • A. 5°
    • B. 10°
    • C. 15°
    • D. 20°
    • Discuss
    • 7. A set of eight form relieved milling cutters for each module is provided to enable cutting of gears of different

    • Options
    • A. materials
    • B. types of gears
    • C. number of teeth
    • D. width of gears
    • Discuss
    • 8. The snag grinding is done

    • Options
    • A. to produce good surface finish and high degree of accuracy
    • B. to remove considerable amount of metal without regard to accuracy of the finished surface
    • C. to grind exterior cylindrical surfaces
    • D. any one of the above
    • Discuss
    • 9. The soft grade grinding wheels are denoted by the letters

    • Options
    • A. A to H
    • B. I to P
    • C. Q to Z
    • D. A to P
    • Discuss
    • 10. In oblique cutting system, the maximum chip thickness

    • Options
    • A. occurs at the middle
    • B. may not occur at the middle
    • C. depends upon the material of the tool
    • D. depends upon the geometry of the tool
    • Discuss


    Comments

    There are no comments.

Enter a new Comment