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  • Question
  • The lead screw of a lathe has __________ threads.


  • Options
  • A. single start
  • B. double start
  • C. multi-start
  • D. any one of these

  • Correct Answer
  • single start 


  • Production Engineering problems


    Search Results


    • 1. The tool made of cemented carbide wear out faster at

    • Options
    • A. slow speeds
    • B. medium speeds
    • C. fast speeds
    • D. very fast speeds
    • Discuss
    • 2. During adiabatic saturation process on unsaturated air __________ remains constant.

    • Options
    • A. relative humidity
    • B. dew point temperature
    • C. dry bulb temperature
    • D. wet bulb temperature
    • Discuss
    • 3. Which of the following statement is wrong?

    • Options
    • A. The heat transfer in liquid and gases takes place according to convection.
    • B. The amount of heat flow through a body is dependent upon the material of the body.
    • C. The thermal conductivity of solid metals increases with rise in temperature,
    • D. Logarithmic mean temperature difference is not equal to the arithmetic mean temperature difference.
    • Discuss
    • 4. As relative humidity decreases, the dew point temperature will be __________ wet bulb temperature.

    • Options
    • A. same as
    • B. lower than
    • C. higher man
    • Discuss
    • 5. The heat transfer by conduction through a thick sphere is same as through a thick cylinder.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The cutting tool in a milling machine is mounted on

    • Options
    • A. spindle
    • B. arbor
    • C. column
    • D. knee
    • Discuss
    • 7. Drilling is an example of

    • Options
    • A. orthogonal cutting
    • B. oblique cutting
    • C. simple cutting
    • D. uniform cutting
    • Discuss
    • 8. The lip angle of a single point tool is usually

    • Options
    • A. 20° to 40°
    • B. 40° to 60°
    • C. 60° to 80°
    • D. none of these
    • Discuss
    • 9. 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
    • 10. 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


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