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You need to login to ask any Questions from chapter Crystallography-and-Defects-in-Solid of Manufacturing-engineering-I

Chapter:

Crystallography-and-Defects-in-Solid

1. What is maximum allowed value of VB in mm for HSS tool used with cast iron work piece for rough machining?

0.5 1 1.5 2

2

VB denotes width of wear land. Maximum 2mm width of wear land is allowed in flank wear.

Hint Answer

2. With passage of time, re is loss in weight of tool, this phenomenon is known as:

Thermal cracking Mechanical chipping Softening Gradual Wear

Gradual Wear

Loss of weight of tool with respect to time is known as gradual wear.

Hint Answer

3. What is maximum allowed value of VB in mm for HSS tool used with cast steel work piece for rough machining?

0.5 1 1.5 2

1

VB denotes width of wear land. Maximum 1mm width of wear land is allowed in flank wear.

Hint Answer

4. Which of following will give maximum chip flow during machining?

Hard material Ductile material Brittle material All of the mentioned

Ductile material

Brittle material breaks very easily due to which y have maximum chip flow.

Hint Answer

5. For large positive back rake angle, tool will be

Weaker Stronger Smoother Harder

Weaker

With increase in positive back rake angle, lip angle decreases and tool tip become thin.

Hint Answer

6. Which of following material can be used for coating on tools?

HSS TiCN WC cBN

TiCN

TiCN can be used for coating of tool while, HSS, WC and cBN are tool materials. With increase in percentage of cobalt toughness increases.

Hint Answer

7. Angle between end cutting edge and axis of tool is known as:

Side rake angle Side relief angle End cutting edge angle Back rake angle

End cutting edge angle

End cutting angle is angle between end cutting edge and axis of tool.

Hint Answer

8. Wearing resistance of cutting tool must be

High Low Very low None of the mentioned

High

Cutting tool has high capability to resist wear. Wearing resistance of cutting tool must be high.

Hint Answer

9. Which of following is correct about crater wear?

Occurs more in soft tool Occurs more hard tool Occurs more in brittle tool None of the mentioned

Occurs more in soft tool

Crater wear occurs in soft tools because ir face gets eroded easily during flow of chips over face.

Hint Answer

10. What is maximum allowed value of VB in mm for carbide tool used with steel work piece for a cutting condition of feed>0.3mm/rev?

0.5 1 1.7 2

1.7

VB denotes width of wear land. Maximum 1.7mm width of wear land is allowed in flank wear.

Hint Answer

Nexttt

All Chapters

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

Crystallography and Defects in Solid

Crystallography and Defects in Solid

Mechanical Properties and Testing and Phase Diagram

Mechanical Properties and Testing and Phase Diagram

Ferrous Metal, Non-Ferrous Metal and Heat Treatment

Ferrous Metal, Non-Ferrous Metal and Heat Treatment

Magnetic Properties of Material, Electrical Properties of Materials, Plastics, Ceramics and Composites

Magnetic Properties of Material, Electrical Properties of Materials, Plastics, Ceramics and Composites

Metal Cutting

Cutting-Tool Materials and Cutting Fluids

Cutting-Tool Materials and Cutting Fluids

Lathe Machines, Shaping and Slotting

Lathe Machines, Shaping and Slotting

Milling, Drilling and Reaming

Milling, Drilling and Reaming

Grinding, Surface Finishing Operations and Unconventional Machining Processes

Grinding, Surface Finishing Operations and Unconventional Machining Processes

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

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

Powder Metallurgy, NC Part Programming and Metal Casting and Gating Systems

Powder Metallurgy, NC Part Programming and Metal Casting and Gating Systems

Forming, Metal Forming Processes and Heat Transfer

Forming, Metal Forming Processes and Heat Transfer

Jigs and Fixture, Applications and Gears

Jigs and Fixture, Applications and Gears

Topics

This Chapter Crystallography-and-Defects-in-Solid consists of the following topics

Metal Cutting

What is maximum allowed value of VB in mm for HSS tool used with cast iron work piece for rough machining?

With passage of time, re is loss in weight of tool, this phenomenon is known as:

What is maximum allowed value of VB in mm for HSS tool used with cast steel work piece for rough machining?

Which of following will give maximum chip flow during machining?

For large positive back rake angle, tool will be

Which of following material can be used for coating on tools?

Angle between end cutting edge and axis of tool is known as:

Wearing resistance of cutting tool must be

Which of following is correct about crater wear?

What is maximum allowed value of VB in mm for carbide tool used with steel work piece for a cutting condition of feed>0.3mm/rev?

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