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Chapter:

11. In which of following methods work piece will have a tendency to be pulled up?

Up milling Climb milling Down milling None of the mentioned

Up milling

In up milling cutters rotate in direction opposite to that in which work is fed. Upward force is acted on work piece by tool.

Hint Answer

12. Circumference of a work piece is to be divided into 12 equal divisions using direct indexing method. Indexing movement will be

5 2 3 4

2

Indexing movement = (24)/ (number of division required). Hence indexing movement is equal to 2.

Hint Answer

13. Which of following operation can be used for parting of work piece in two pieces?

Key way milling Groove milling Saw milling Straddle milling

Saw milling

Saw milling can be used for parting off operations. It uses special milling cutters.

Hint Answer

14. In which of following milling method chip thickness decrease gradually?

Up milling Conventional milling Down milling None of the mentioned

Down milling

In down milling, chip thickness decreases gradually whereas in up milling chip thickness increase gradually.

Hint Answer

15. Table of milling machine is generally made up of

Cast iron Steel Aluminum None of the mentioned

Cast iron

Cast iron has very good surface hardness and hence used for table of milling machine. Table is used to support work piece.

Hint Answer

16. Vice circular table in milling machines are generally used to

Hold cutters Hold the work piece on table Act as auxiliary spindle None of the mentioned

Hold the work piece on table

Vice circular table are standard attachments and used to hold work piece on table. They are used in milling operation to hold workpiece.

Hint Answer

17. Which of following milling cutters have teeth on ir periphery as well as on ir end face?

Plain milling cutters Side milling cutters End milling cutters Face milling cutters

Face milling cutters

Face milling cutters have teeth on ir periphery as well as on ir end face. They are used in face milling operations.

Hint Answer

18. Which of following is precision dividing head used in milling?

Plain dividing head Universal dividing head Optical dividing head None of the mentioned

Optical dividing head

Optical dividing heads are precision heads and are used in precision indexing work. Indexing head are also known as dividing head and are used for changing angular position of work piece relative to milling cutter.

Hint Answer

19. Which of following milling operation can be used for producing grooves in work piece?

Key way milling Groove milling Gang milling Straddle milling

Groove milling

Groove milling can be used for producing grooves in work piece.

Hint Answer

20. In a milling operation, feed per revolution is 5 mm and total number of teeth on milling cutter is 50. Feed per tooth in mm is equal to

0.1 0.2 0.5 0.05

0.1

Feed per revolution= feed per tooth * number of teeth.

Hint Answer

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View all Chapter and number of question available From each chapter from Manufacturing-engineering-I

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Cutting-Tool Materials and Cutting Fluids

Lathe Machines, Shaping and Slotting

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Milling, Drilling and Reaming

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Grinding, Surface Finishing Operations and Unconventional Machining Processes

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Metrology, Welding, Fusion-Welding Processes and Unconventional Welding Methods

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Forming, Metal Forming Processes and Heat Transfer

Forming, Metal Forming Processes and Heat Transfer

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Jigs and Fixture, Applications and Gears

Topics

This Chapter consists of the following topics

Milling

Drilling and Reaming

In which of following methods work piece will have a tendency to be pulled up?

Circumference of a work piece is to be divided into 12 equal divisions using direct indexing method. Indexing movement will be

Which of following operation can be used for parting of work piece in two pieces?

In which of following milling method chip thickness decrease gradually?

Table of milling machine is generally made up of

Vice circular table in milling machines are generally used to

Which of following milling cutters have teeth on ir periphery as well as on ir end face?

Which of following is precision dividing head used in milling?

Which of following milling operation can be used for producing grooves in work piece?

In a milling operation, feed per revolution is 5 mm and total number of teeth on milling cutter is 50. Feed per tooth in mm is equal to

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