Thread Cutting and Taper Turning Industrial Training MCQ Test - Set 02 - ObjectiveBooks

Thread Cutting and Taper Turning Industrial Training MCQ Test - Set 02

Practice Test: Question Set - 02


1. Which standard tapers used in milling machine arbors?
    (A) Jarno taper
    (B) Morse taper
    (C) Metric taper
    (D) Brown and sharp taper

2. Which micrometer is used to measure the effective diameter of the threads?
    (A) Depth micrometer
    (B) Inside micrometer
    (C) Outside micrometer
    (D) Screw thread micrometer

3. The grade of slip gauges are used for general workshop application is?
    (A) Grade ‘I’ accuracy
    (B) Grade '0' accuracy
    (C) Grade '00' accuracy
    (D) Grade 2 accuracy

4. Calculate the gears required to cut a 1.5mm pitch in a lathe having a lead screw of 5 mm pitch?
    (A) Driver 30, Driven 50
    (B) Driver 30, Driven 100
    (C) Driver 100, Driven 30
    (D) Driver 100, Driven 60

5. Which element of taper is expressed by number in metric taper?
    (A) Length
    (B) Big diameter
    (C) Small diameter
    (D) Angle of taper

6. What is direction of tool movement with reference to the axis in the tailstock offset method?
    (A) Parallel
    (B) Inclined at 45°
    (C) Inclined at 60°
    (D) Perpendicular

7. What will be the turn diameter of work piece for acme thread cutting?
    (A) Equal to major dia
    (B) Equal to minor dia
    (C) 0.05 mm over size of major dia
    (D) 0.05 mm under size of major dia

8. The act of joining the slip gauges together while building up to the sizes is called.
    (A) Wringing
    (B) Sliding
    (C) Glazing
    (D) Loading

9. What type of standard taper used on external taper of lathe spindle nose?
    (A) Jarno taper
    (B) Morse taper
    (C) Metric taper
    (D) Brown and sharp taper

10. How do you protect slip gauge from rust?
    (A) Apply oil
    (B) Apply kerosene
    (C) Apply wax
    (D) Apply petroleum jelly

11. Which method of taper turning is possible when the work is hold between centers only?
    (A) Form tool method
    (B) Compound rest method
    (C) Tailstock offset method
    (D) Taper turning attachment method

12. Which one of the following is the advantage of taper turning attachment over tail stock off set method?
    (A) Good surface finish
    (B) Lengthy taper can be produced
    (C) Job can be held between centers
    (D) Power feed can be given for both internal and external taper

13. Which taper is most commonly used as standard taper in industries?
    (A) Jarno taper
    (B) Morse taper
    (C) Metric taper
    (D) Brown & Sharpe taper

14. What is 'Best wire' in thread measurement?
    (A) Contact at root
    (B) Contact at crest
    (C) Contact is at pitch line
    (D) Contact above pitch line

15. Which determines the size of the wire in the three wires method of thread measurement?
    (A) Flank form
    (B) Micrometer spindle
    (C) Effective diameter
    (D) Pitch of the thread

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