Milling MCQ - Machinist(Set-1) with Answers

Milling MCQ - Machinist(Set-1) with Answers

66) A finish cut is given to improve the surface finish of a rough milled workpiece. What adjustments are needed on the cutting parameters ?

Answer is:

Increase cutting speed, reduce feed rate and depth of cut

67) The normal module of a helical gear with real module (m) of 6.62 and having an angle of 25 Degree is :

Answer is:

6.62 x cos 25 Degree

68) The tooth thickness of rack is measured by :

Answer is:

Gear tooth vernier caliper

69) A 1.5 mm displacement of tool point in boring operation will result in change in diameter equal to :

Answer is:

3 mm

70) Solid HSS cutters and carbide inserted tooth cutters are commonly used for milling. The permissible cutting speed of an inserted cutter in relation to that of a HSS cutter is :

Answer is:

Five to ten times greater