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Machinist
Machinist Set-1
Milling
73

Milling MCQ - Machinist(Set-1) with Answers

73) A gear wheel has 36 teeth (Z) and 3 mm module (m). Its pitch diameter is :

12 mm

75 mm

80 mm

108 mm

Answer is:

108 mm

Milling MCQ - Machinist(Set-1) with Answers

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

74) The main purpose of using worm and worm wheel drive in machines and their accessories is to :

Transmit large torque

Provide large speed reduction from worm shaft to worm wheel

Transmit higher speeds

Provide large speed reduction from worm wheel to worm shaft

Answer is:

Provide large speed reduction from worm shaft to worm wheel

75) There are two types of milling processes based on the direction of cutter rotation and work direction. In up cut milling

The work is fed in the same direction as the rotation of the cutter

Chip removal starts at the thickest part

Machine with backlash eliminator is essential

The work is fed against the direction of the cutter rotation

Answer is:

The work is fed against the direction of the cutter rotation

76) A direct indexing operation is done using an indexing attachment with an index plate of 24 slots. Which one of the following set of divisions cannot be milled on the workpiece ?

24, 12

8, 6

7, 5

3, 2

Answer is:

7, 5

77) A steel workpiece of high tensile strength is to be machined with a HSS milling cutter. Which one of the following rake angles is best suitable for the cutter ?

8 Degree

12 Degree

20 Degree

28 Degree

Answer is:

8 Degree

Milling MCQ - Machinist(Set-1) with Answers

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