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  • Question
  • Twist drills are made of


  • Options
  • A. high speed steel
  • B. carbon steel
  • C. stainless steel
  • D. either (a) or (b)

  • Correct Answer
  • either (a) or (b) 


  • Production Engineering problems


    Search Results


    • 1. The average cutting speed for turning brass with a high speed steel tool is

    • Options
    • A. 15 to 19 m/min
    • B. 25 to 31 m/min
    • C. 60 to 90 m/min
    • D. 90 to 120 m/min
    • Discuss
    • 2. The velocity of tool relative to the workpiece is known as cutting velocity.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. Segmental chips are formed during machining

    • Options
    • A. mild steel
    • B. cast iron
    • C. high speed steel
    • D. high carbon steel
    • Discuss
    • 4. A drill considered as a cutting tool having zero rake, is known as a

    • Options
    • A. flat drill
    • B. straight fluted drill
    • C. parallel shank twist drill
    • D. tapered shank twist drill
    • Discuss
    • 5. The silicon carbide abrasive is chiefly used for grinding

    • Options
    • A. cemented carbide
    • B. ceramic
    • C. cast iron
    • D. all of these
    • Discuss
    • 6. The maximum production of small and slender parts is done by

    • Options
    • A. watch maker's lathe
    • B. sliding head stock automatic lathe
    • C. multispindle automatic lathe
    • D. capastan lathe
    • Discuss
    • 7. A push broach as compared to pull broach

    • Options
    • A. has less number of teeth
    • B. is short and stocky
    • C. removes less material for each pass of the tool
    • D. all of the above
    • Discuss
    • 8. In oblique cutting system, the maximum chip thickness occurs at the middle.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 9. A fixture is defined as a device which

    • Options
    • A. holds and locates a workpiece and guides and controls one or more cutting tools
    • B. holds and locates a workpiece during an inspection or for a manufacturing operation
    • C. is used to check the accuracy of workpiece
    • D. all of the above
    • Discuss
    • 10. A round nose tool may be fed eitner from left to right end or from right to left end of the lathe bed.

    • Options
    • A. Yes
    • B. No
    • Discuss


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