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Machinist
Machinist Set-2
Turning Threads
8

Turning Threads MCQ with Answers

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

Vee threads

Square threads

Saw tooth threads

Trapezoidal threads

Answer is:

Vee threads

Turning Threads MCQ with Answers

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

2 mm

3 mm

1.5 mm

2.5 mm

Answer is:

3 mm

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

50 Degree

60 Degree

90 Degree

120 Degree

Answer is:

60 Degree

11) What is the method of turning where in a cylindrical work - piece is turn to have a uniform increase or decrease in diameter along the length?

Boring

Grooving

Step turning

Taper turning

Answer is:

Taper turning

12) Which method of taper turing is used to make internal taper and external taper?

Tail stock off set method

Form tool method

Taper turning attachment method

Compound slide swivelling method

Answer is:

Taper turning attachment method

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