TURNING THREADS - Practice Mode

1) 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?

Lead Pitch Flank Depth

Correct Answer: Pitch

2) What is the distance moved by a threaded component during one complete revolution?

Pitch Lead Flank Depth

Correct Answer: Lead

Explanation:

.

3) Which of the following thread is used in ordinary bolts and nuts?

Vee threads Square threads Saw tooth threads Trapezoidal threads

Correct Answer: Vee threads

4) Find the lead of a double start thread having a pitch 1.5mm.

2 mm 3 mm 1.5 mm 2.5 mm

Correct Answer: 3 mm

5) What is the included angle of the conical point of lathe centre?

50 Degree 60 Degree 90 Degree 120 Degree

Correct Answer: 60 Degree

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