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  • Question
  • 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

  • Correct Answer
  • straight fluted drill 


  • Production Engineering problems


    Search Results


    • 1. The silicon carbide abrasive is chiefly used for grinding

    • Options
    • A. cemented carbide
    • B. ceramic
    • C. cast iron
    • D. all of these
    • Discuss
    • 2. The machining of titanium is difficult due to

    • Options
    • A. high thermal conductivity of titanium
    • B. chemical reaction between tool and work
    • C. low tool-chip contact area
    • D. none of these
    • Discuss
    • 3. The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is

    • Options
    • A. carbide, ceramic, cermet, borazon
    • B. ceramic, carbide, borazon, cermet
    • C. cermet, carbide, ceramic, borazon
    • D. borazon, ceramic, carbide, cermet
    • Discuss
    • 4. Side rake angle of a single point cutting tool is the angle

    • Options
    • A. by which the face of the tool is inclined towards back
    • B. by which the face of the tool is inclined sideways
    • C. between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of the tool
    • D. between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
    • Discuss
    • 5. The work or surface speed for cylindrical grinding varies from

    • Options
    • A. 5 to 10 m/min
    • B. 10 to 20 m/min
    • C. 20 to 30 m/min
    • D. 40 to 60 m/min
    • Discuss
    • 6. Segmental chips are formed during machining

    • Options
    • A. mild steel
    • B. cast iron
    • C. high speed steel
    • D. high carbon steel
    • Discuss
    • 7. The velocity of tool relative to the workpiece is known as cutting velocity.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. 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
    • 9. Twist drills are made of

    • Options
    • A. high speed steel
    • B. carbon steel
    • C. stainless steel
    • D. either (a) or (b)
    • Discuss
    • 10. 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


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