TURNING 3 TAPER TURNING THREAD CUTTING AND SINE - Practice Mode

1) What is ratio of standard pin tapers used in taper pins?

01:30 01:40 01:50 02:30

Correct Answer: 01:50

2) Which element of taper is expressed by number in metric taper?

Length Big diameter Small diameter Angle of taper

Correct Answer: Big diameter

3) What is the ratio of amount of standard pin taper in British system?

01:20 01:48 01:50 0.111111111

Correct Answer: 01:48

4) What are the ranges of morse tapers used on taper shank twist drills, reamers and lathe centres?

0 to 4 0 to 5 1 to 4 1 to 5

Correct Answer: 0 to 5

5) What type of standard taper used on external taper of lathe spindle nose?

Jarno taper Morse taper Metric taper Brown and sharp taper

Correct Answer: Jarno taper

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