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Machinist Set-1
Milling
66

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 ?

Decrease cutting speed, feed rate and depth of cut

Increase feed rate, depth of cut and reduce cutting speed

Increase feed rate, depth of cut and cutting speed

Increase cutting speed, reduce feed rate and depth of cut

Answer is:

Increase cutting speed, reduce feed rate and depth of cut

Milling MCQ - Machinist(Set-1) with Answers

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Related Milling MCQ - Machinist(Set-1) with Answers

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

6.62 x sin 25 Degree

6.62 x cos 25 Degree

6.62 x tan 25 Degree

6.62 x cot 25 Degree

Answer is:

6.62 x cos 25 Degree

68) The tooth thickness of rack is measured by :

Universal vernier caliper

Gear tooth vernier caliper

Flange micrometer

Gear tester

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 :

0.75 mm

1.5 mm

3 mm

6 mm

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 :

Twice as much

Five to ten times greater

Smaller

Same

Answer is:

Five to ten times greater

Milling MCQ - Machinist(Set-1) with Answers

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