Drilling and Reaming MCQ - Machinist(Set-1) with Answers

Drilling and Reaming MCQ - Machinist(Set-1) with Answers

26) Which among the following factors will NOT influence the selection of the cutting speed while performing operation on drilling machine ?

Answer is:

Width of job

Explanation:

Width of job will not influence the selection of the cutting speed while performing operation on drilling machine.

27) The reamer teeth and spacing are designed to assist in reaming more accurate holes with good surface finish. Which one of the following is true regarding the number of teeth and their spacing ?

Answer is:

Even number of teeth and uneven spacing

28) The angle of drill grinding gauge is

Answer is:

121 Degree

Explanation:

The angle of drill grinding gauge is 121 Degree.

The angle of drill grinding gauge is

29) The taper shank of a drill of 20 mm diameter has

Answer is:

MT-2 taper

30) A short reamer with an axial hole used with an arbor or mandrel is called

Answer is:

Chucking reamer

Explanation:

A short reamer with an axial hole used with an arbor or mandrel is called as chucking reamer.

A short reamer with an axial hole used with an arbor or mandrel is called

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