Turning Threads and Turning Machine uses and Functions MCQ - set 02 - ObjectiveBooks

Turning Threads and Turning Machine uses and Functions MCQ - set 02

Practice Test: Question Set - 02

1. What is the included angle of the conical point of lathe centre?
    (A) 50°
    (B) 60°
    (C) 90°
    (D) 120°

2. Which diameter is used for specifying a thread?
    (A) Root diameter
    (B) Pitch diameter
    (C) Major diameter
    (D) Minor diameter

3. What is major dia - minor dia?
    (A) Depth
    (B) 2 × depth
    (C) 0.5 × depth
    (D) 0.25 × depth

4. What is the type of centre used for supporting heavy jobs revolving with high speed?
    (A) Pipe centre
    (B) Female centre
    (C) Tipped centre
    (D) Revolving centre

5. Which is the lathe accessory used to drive the work during turning between centers?
    (A) Lathe carriers
    (B) Lathe centre
    (C) Steady rest
    (D) Face plate

6. Why does square thread is used in vices?
    (A) Low friction
    (B) Easy engagement
    (C) Easy to manufacture
    (D) They can withstand high load

7. What is the name of the surface joining the crest and the root?
    (A) Hand
    (B) Lead
    (C) Pitch
    (D) Flank

8. Which method of taper turning is used to make internal taper and external taper?
    (A) Tail stock off set method
    (B) Form tool method
    (C) Taper turning attachment method
    (D) Compound slide swiveling method

9. Which diameter is to be turned for cutting external thread?
    (A) Root diameter
    (B) Pitch diameter
    (C) Minor diameter
    (D) Major diameter

10. What is the name of the included angle between the flanks of adjacent thread?
    (A) Helix angle
    (B) Thread angle
    (C) Pressure angle
    (D) Clearance angle

11. Which of the following thread having more lead?
    (A) Triple start
    (B) Single start
    (C) Double start
    (D) Quadruple start (four)

12. Where the steady rest is fixed in a lathe?
    (A) Saddle
    (B) Carriage
    (C) Lathe bed
    (D) Tail stock

13. How can be produced duplicate tapers in a most suitable method of turning tapers in lathe?
    (A) Combined feed method
    (B) Taper turning attachment
    (C) Tail stock set over method
    (D) Compound rest swiveling method

14. Which term is used to indicate the distance from a point on one thread to the corresponding point on the adjacent thread measured parallel to the axis?
    (A) Lead
    (B) Pitch
    (C) Flank
    (D) Depth

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